linux systems administrator

CALNET

Job Overview We are seeking a highly skilled and motivated Linux System Administrator with active TS/SCI clearance to join our dynamic team. In this role, you will be responsible for managing and maintaining complex Linux-based IT infrastructure, ensuring system security, stability, and performance. Your expertise will support mission-critical operations, requiring a proactive approach to system architecture, security protocols, and network integration. This position offers an exciting opportunity to work on cutting-edge solutions within a fast-paced environment that values innovation and precision.Duties<ul><li>Install, configure, and maintain Linux operating systems across multiple environments, including physical servers and virtualized platforms such as VMware and ESXi.</li><li>Manage system security by implementing firewalls, VPNs, and access controls aligned with information security standards.</li><li>Monitor system performance using tools that support load balancing, RAID controller management, and system health diagnostics.</li><li>Develop and automate system administration tasks through scripting languages like Bash (Unix shell), Python, and PowerShell to streamline operations.</li><li>Design and implement scalable solutions utilizing service-oriented architecture (SOA), microservices, RESTful APIs, and cloud platforms such as AWS and Azure.</li><li>Collaborate with cross-functional teams to develop solution architecture that integrates databases like MySQL, PostgreSQL, Oracle, Microsoft SQL Server, and NoSQL databases.</li><li>Conduct regular system backups, disaster recovery planning, and patch management to ensure high availability and data integrity.</li><li>Support systems engineering efforts by designing robust system architectures that incorporate virtualization technologies such as Kubernetes containers and VMware environments.</li><li>Maintain comprehensive documentation of system configurations, procedures, and incident reports following SDLC (Software Development Life Cycle) best practices.</li></ul>Experience<ul><li>Proven experience in Linux system administration within a secure environment requiring TS/SCI clearance.</li><li>Strong understanding of operating systems including UNIX and Windows environments with hands-on experience in system design and architecture.</li><li>Demonstrated knowledge of computer networking concepts such as DNS, DHCP, TCP/IP protocols, load balancing solutions, VPNs, firewalls, and network security best practices.</li><li>Familiarity with DevOps tools like Jenkins, Git repositories, CI/CD pipelines, Docker containers, Kubernetes orchestration, and automation frameworks.</li><li>Experience working with IT infrastructure components including RAID controllers, SAN storage solutions, virtualization platforms (VMware vSphere/ESXi), and cloud services (AWS/Azure).</li><li>Skilled in scripting languages such as Bash shell scripting or Python for automation tasks; experience with PL/SQL or T-SQL is a plus.</li><li>Knowledge of solution architecture principles for enterprise systems involving RESTful APIs, microservices architecture, service-oriented architecture (SOA), and API management.</li><li>Background in systems engineering with a focus on system design for high availability environments supporting critical operations. Join us to leverage your expertise in Linux systems administration while contributing to vital national security missions! We value innovation-driven professionals who thrive in collaborative settings dedicated to excellence in IT infrastructure management.</li></ul>Pay: $90,000.00 - $120,000.00 per yearBenefits:<ul><li>401(k)</li><li>401(k) matching</li><li>Dental insurance</li><li>Health insurance</li><li>Life insurance</li><li>Paid time off</li><li>Vision insurance</li></ul>Work Location: In person

LINUX System Administrator with TS/SCI Clearance

White Label Communications

Linux + VoIP Systems AdministratorFor recruiters, BPOs, and staffing agencies<ul><li>WLC is not accepting third-party submissions for this role at this time.</li></ul>Full-time | Long-term | Contract | Fully remote<ul><li>WLC is seeking 2 strong Linux + VoIP Systems Administrators to join our Infrastructure Engineering, Operations, and Planning team. This role reports to the Manager of Infrastructure.</li><li>We are looking for experienced, independent operators who can make sound technical decisions, work safely in production, troubleshoot complex issues end to end, and improve the stability, security, and maintainability of our Linux-based voice infrastructure.</li></ul>Schedule<ul><li>Monday through Friday during normal business hours aligned to U.S. Eastern Time, including seasonal shifts between EST (UTC-5) and EDT (UTC-4)</li><li>Occasional after-hours maintenance work as needed and scheduled in advance</li></ul>What you will do<ul><li>Build, operate, maintain, and improve Linux-based infrastructure supporting customer-facing services</li><li>Administer and troubleshoot VoIP platforms and SIP signaling in production environments</li><li>Support high-availability systems across production, lab, development, and pre-production environments</li><li>Diagnose and resolve issues involving SIP, RTP, call routing, registrations, media flow, and related service dependencies</li><li>Write and maintain shell scripts and tooling for automation, operational safety, and visibility</li><li>Follow disciplined change management and production safety practices</li><li>Help maintain secure, compliant infrastructure aligned with company standards and audit requirements</li><li>Work effectively and independently in a remote environment while coordinating with the broader infrastructure team</li></ul>Required qualifications<ul><li>3+ years of hands-on Linux systems administration experience in a 24x7 production environment</li><li>3+ years of hands-on experience with VoIP SIP and RTP technologies, signaling and call flow troubleshooting, and one or more of FreeSWITCH, Asterisk, Kamailio, OpenSIPS, SER/OpenSER</li><li>Strong operational judgment and a demonstrated ability to make safe changes in production</li><li>Experience with Linux system services, patching, backups, logging, monitoring, access control, and security hardening</li><li>Strong shell scripting skills for automation and operational support</li><li>Experience working independently with minimal supervision</li><li>Strong written English and clear technical communication</li><li>Quiet, private, and secure remote workspace</li><li>At least 2 reliable high-quality Internet connections</li><li>Willingness to work on WLC-provided equipment</li></ul>Strongly preferred<ul><li>Experience with centralized logging, monitoring, AAA, jump hosts, and change management processes</li><li>Experience with KVM, VMware, Hyper-V, or other virtualization platforms</li><li>Experience operating Linux workloads in cloud environments such as AWS, Azure, or Google Cloud</li><li>Experience working in regulated or audited environments such as ISO 27001, SOC 2, HIPAA, GDPR, and PCI</li></ul>What success looks like in this role<ul><li>You can troubleshoot Linux and VoIP issues methodically without creating unnecessary production risk</li><li>You escalate when appropriate, but you do not require constant direction</li><li>You document your work, communicate clearly, and make careful changes</li><li>You look for durable fixes, not just quick ones</li></ul>Job Types: Full-time, Contract Contract length: 1-180 monthsPay: Rs10,000.00 - Rs100,000.00 per weekApplication Question(s):<ul><li>If the role was offered to you, how quickly could you start working (in calendar days)?</li><li>Do you have a quiet, private, and secured location to work remotely out of, with at least 2 reliable and good quality Internet connections?</li><li>You agree and accept that the position is Mon-Fri normal daytime business hours following the seasonal EST(UTC-5) and EDT(UTC-4) time zones?</li><li>Do you agree to having a background check performed on you? This role requires individuals with non-negative background check results.</li><li>Do your resume and LinkedIn profile make it clear that you meet or exceed the requirements outlined in the job description?</li><li>What is your expected weekly income, in US dollars, for a 40-hour work week? This is what you regularly invoice us for, excluding maintenance, on call, or after-hour extra work time.</li><li>You are comfortable working in, adhering to, building, and maintaining, a strict ISO 27001, HIPAA, PCI, GDPR, and SOC2 compliance environment?</li><li>You are applying to this position for yourself? This means you, and only you, will be performing the work.</li><li>Do you have 3+ years of hands-on experience as a lead Linux SysAdmin in a 24x7 high availability environment, without downtime, data loss, or blind spots?</li><li>Do you have 3 or more years of engineering experience with FreeSWITCH, Asterisk, Kamailio (OpenSER), OpenSIPS, and/or SER?</li></ul>Work Location: Remote

Linux VoIP SysAdmin

CMiC

<div>Founded in 1974, CMiC today delivers comprehensive and advanced enterprise and field operations solutions, purpose-built for construction and capital projects companies. CMiC&rsquo;s powerful software transforms how firms optimize productivity, minimize risk and drive growth by planning and managing all financials, projects, resources, and content assets - all from a single database platform.
In the past several years, the construction industry has experienced unprecedented changes driven by new technologies - including integration with multi-dimensional modeling, an explosion of cloud-based offerings, and the demand for robust mobile capabilities. CMiC has kept pace by constantly upgrading and enhancing our advanced platform to reflect the changing needs of the industry, leading to significant growth as a company.
CMiC has its head office in Toronto, Canada, and has recently set up a subsidiary located in Dubai. The Cloud &amp; Linux Operations Engineer will be working from the Dubai location and will be responsible for servicing international customers.
Role Overview
We are looking for a skilled Cloud &amp; Linux Operations Engineer to join our Infrastructure team. In this role, you will be responsible for the day-to-day management, maintenance, and support of our multi-cloud environments across AWS, Oracle Cloud, and Microsoft Azure, as well as Windows and Linux server infrastructure. You will play a key role in keeping our systems secure, stable, and running at peak performance, while also providing end-user support when required.
Key Responsibilities
Cloud Infrastructure<ul><li>
Administer, monitor, and optimise cloud resources across AWS, Oracle Cloud Infrastructure (OCI), and Microsoft Azure.</li><li>
Provision and manage cloud compute, storage, and identity services.</li><li>
Implement and maintain cloud cost governance, tagging policies, and resource right-sizing.</li><li>
Support cloud architecture decisions and assist with infrastructure-as-code (IaC) tooling such as Terraform or Ansible.</li><li>
Monitor cloud environments using native tools (CloudWatch, Azure Monitor, OCI Monitoring) and third-party solutions.</li><li>
Assist with cloud security controls, including IAM policies, security groups, and compliance reviews.</li></ul>
Server Patching &amp; Maintenance<ul><li>
Plan, schedule, and execute patching cycles for Windows and Linux servers in line with change management processes.</li><li>
Use patch management tools to maintain compliance.</li><li>
Monitor patch compliance and produce reports for audit and management review.</li><li>
Document patching outcomes, exceptions, and remediation steps.</li></ul>
Linux &amp; Windows Server Administration<ul><li>
Manage and support Linux servers (RHEL, CentOS, Ubuntu) and Windows Server environments.</li><li>
Perform system configuration, tuning, and capacity planning across physical and virtual infrastructure.</li><li>
Administer Entra in Windows environments.</li><li>
Implement and manage backup and disaster recovery solutions.</li></ul>
End User Support<ul><li>
Provide Level 2/3 technical support to end users, resolving hardware, software, and connectivity issues.</li><li>
Escalate and manage issues through the ITSM ticketing system.</li><li>
Support onboarding and offboarding processes, including account provisioning and device configuration.</li><li>
Contribute to knowledge base documentation and self-service resources for end users.</li><li>
Collaborate with the User Support team to improve first-contact resolution rates.</li></ul> 

Requirements 
Cloud &amp; Infrastructure<ul><li>
Hands-on experience with AWS (EC2, S3, VPC, IAM, RDS)</li><li>
Working knowledge of Oracle Cloud Infrastructure (OCI)</li><li>
Microsoft Azure administration experience</li><li>
Infrastructure-as-Code: Terraform, Ansible, or CloudFormation</li><li>
Cloud networking: VPCs, peering, load balancers, DNS</li><li>
Understanding of cloud security best practices and IAM</li></ul>
Systems &amp; Support<ul><li>
3+ years Linux administration (RHEL/CentOS/Ubuntu)</li><li>
3+ years Windows Server administration</li><li>
Experience with ITSM platforms</li><li>
Strong scripting skills: Bash, PowerShell, or Python</li><li>
Experience with patch management tooling (Azure Update Manager)</li><li>
Familiarity with Entra, DNS, DHCP</li></ul>
Desirable Qualifications<ul><li>
AWS Certified SysOps Administrator, Solutions Architect, or equivalent cloud certification.</li><li>
Microsoft Azure Administrator (AZ-104) or Oracle Cloud Infrastructure certifications.</li><li>
Experience with containerisation technologies such as Docker or Kubernetes.</li><li>
Familiarity with monitoring and observability tools (Dynatrace, PRTG).</li><li>
ITIL Foundation certification or working knowledge of ITIL processes.</li><li>
Experience in a hybrid cloud or multi-cloud enterprise environment.</li></ul> 

Benefits 
<ul>
<li>Competitive benefits package
</li><li>Paid vacation days</li>
<li>Experience in a rapidly growing, socially responsible corporation</li>
</ul>CMiC is an Equal Opportunity Employer. In accordance with the Accessibility for Ontarians with Disabilities Act, 2005 and the Ontario Human Rights Code, CMiC will provide accommodation to applicants with disabilities throughout the recruitment, selection and/or assessment process. If selected to participate in the recruitment, selection and/or assessment process, please inform Human Resources staff of the nature of any accommodation(s) that you may require.</div>

Cloud & Linux Operations Engineer - Dubai, UAE

IMG Information Management Group, Inc.

<div>Opportunity:
<div>
Information Management Group, Inc. (IMG) is a trusted leader in delivering innovative IT and cybersecurity solutions with a commitment to excellence, customer satisfaction, and professional growth for over 30 years. IMG is hiring a
</div><div>Infrastructute Administrator to maintain and support a complex IT infrastructure, while ensuring cybersecurity compliance and</div><div><div>
backup reliability. This role also involves managing both Windows and Linux systems, responding to escalated support requests within SLA timelines, and performing maintenance and routine IT tasks in alignment with government-approved procedures.</div><div></div><div> 
Key Responsibilities 
</div><div></div><ul><li>Maintain an on-site Microsoft Exchange and Microsoft Skype deployment</li><li>
Maintain a Cisco WAN and LAN using technologies such as SD-WAN, FirePower, and DNA Center</li><li>
Configure, tune, and monitor a Splunk Enterprise SIEM including monitoring, rulesets, and response</li><li>
Monitor Microsoft Windows and Red Hat Enterprise Linux Clients and Servers, including management using Microsoft Configuration Manager.</li><li>
Oversee virtual environment containing VMWare and NetApp products</li><li>
Manage of a backup and disaster recovery solution using Commvault</li><li>
Support escalated requests from the helpdesk and escalation analysts within the established SLA measurements</li><li>
Maintain the availability of current infrastructure to include the support of emergent issues that may be experienced</li><li>
Perform required maintenance to maintain cybersecurity compliance with established windows and/or procedures</li><li>
Follow the approved configuration control procedures provided by the team</li><li>
Additional routine IT tasks of varying complexity may be assigned at supervisor's discretion</li></ul></div> 
<div></div>
Qualifications:
<div><div><div>
Requirements:</div></div><div><ul><li>
Bachelor&rsquo;s Degree and 4+ years of experience 
<ul><li>
OR, Associate&rsquo;s degree with 6+ years of experience</li><li>
OR, High School Degree and 10+ years of experience</li></ul></li><li>
Cisco CCNP certification 
<ul><li>
May be substituted with CCNA certification with 3+ years of experience in Cisco networking or similar certification with customer approval</li></ul></li>
Active Top Secret or Q security clearance 
<li>
</li></ul></div><div></div><div><div>Preferred Qualifications:</div></div><div><ul><li>
Splunk Enterprise Admin and Splunk Enterprise Core Power User certifications</li><li>
VMWare and NetApp experience</li><li>
Red Hat Enterprise Linux experience</li><li>
Microsoft Client and Server On-Prem Experience</li><li>
Microsoft Exchange and Skype On-Prem Experience</li><li>
Commvault Experience</li><li>
Excellent customer support experience and soft skills to ensure end-user satisfaction</li><li>
Ability to lead small teams or projects through cross functional coordination/collaboration with other departments</li><li>
Assist key stakeholders in overall project execution and find solutions through creative problem solving</li><li>
Ability to demonstrate proven success with adaptability &ndash; willingness to evolve with technology while ensuring data accuracy standards
</li></ul><div>Salary</div><div>
80-110k
</div></div></div>About IMG:
<div>
Founded in 1987, IMG is a leading small business that exemplifies competence, integrity and follow-through. We consistently provide customer focused professional services, which ensures our company is recognized for continually exceeding expectations. We believe that at the core of our success stand our people. Our people have provided professional services in the Information Technology field for our customers with a commitment to customer satisfaction for over 35 years.</div><div>
IMG Benefits:</div><ul><li>
Health, dental, vision, and life insurance</li><li>
Short term and long term disability insurance</li><li>
401(k) with generous company match</li><li>
Health Savings Accounts (HSA)</li><li>
Personal leave plus paid federal holidays</li><li>
Professional development and training assistance</li></ul><div>
IMG is an equal opportunity employer including disability and protected veterans or other characteristics protected by law.</div></div>

Computer Systems Analyst/Infrastructure Administrator- Top Secret Clearance Required

aQovia

<div>Why Aqovia?
At the Intersection of Innovation and Impact, introducing Aqovia. Aqovia is a UK-based technology firm dedicated to creating tangible value through the power of AI, data-driven, and bespoke software solutions and services.
Our unique approach extends beyond traditional service and solutions delivery, we strategically invest in and nurture a diverse portfolio of promising companies operating across vital sectors including; financial services, health, infrastructure management, sustainability, education, and business intelligence.
This commitment to creating innovation across a broad spectrum allows Aqovia to stay at the cutting edge, delivering transformative solutions and creating significant impact. For our clients and strategic partners, Aqovia offers a unique opportunity to be part of a dynamic and forward-thinking group shaping the future
Role Overview:
We are seeking a Senior Systems &amp; DevOps Engineer to lead the technical direction and maintenance of our hybrid infrastructure. This role is designed for an engineer with deep expertise in Linux systems administration and local virtualization who thrives in bare-metal environments. You will be responsible for balancing self-hosted infrastructure with strategic cloud deployments to ensure a high-performance, cost-effective platform.
The role involves managing the full operational lifecycle of both physical and virtual assets, focusing on the remote hardware through IPMI/OOB and automated PXE boot workflows. You will oversee advanced container orchestration, network configuration, and storage management, ensuring that all systems are resilient and secure. This includes a heavy emphasis on automating routine tasks and optimizing system-level configurations to support a stable production environment.
As a senior member of the team, you will act as a technical authority for our infrastructure, championing &quot;Infrastructure as Code&quot; (IaC) and modern observability standards. You will be responsible for integrating security best practices throughout the stack&mdash;from automated patch management to encrypted storage&mdash;utilizing open-source tools to maintain visibility and reliability across our diverse portfolio of digital solutions.
Key Responsibilities::
Core Linux Administration &amp; Engineering<ul><li>
Deep Linux Expertise: Advanced mastery of the Linux ecosystem (Debian/Ubuntu, RHEL/Alma, or Arch), systemd, and boot processes (GRUB/EFI).</li><li>
Networking Stack: In-depth knowledge of networking fundamentals (L2/L3, VLAN tagging, bonding/bridging) and software-defined networking within a Linux environment (IPTables/NFTables, WireGuard).</li><li>
Shell &amp; Scripting: Proficiency in Bash and Python for automating system tasks, parsing logs, and interacting with local APIs.</li><li>
Storage Management: Hands-on experience with advanced filesystems and storage protocols, specifically ZFS, BTRFS, LVM, and NFS/iSCSI.</li></ul>
Virtualization &amp; Bare Metal Management<ul><li>
Hypervisor Mastery: Experience deploying and managing Type-1 hypervisors like Proxmox (KVM/QEMU), ESXi, or XCP-ng.</li><li>
Hardware Provisioning: Ability to manage physical server lifecycles, including IPMI/iDRAC/ILO out-of-band management and PXE boot automation (Netboot.xyz, MaaS).</li><li>
Hardware Knowledge: Familiarity with rack-mounting, power redundancy (UPS/PDU), and diagnosing hardware failures (failed DIMMs, RAID controllers).</li></ul>
Containerization &amp; Orchestration<ul><li>
Container Runtimes: Expert-level management of Docker and Podman, focusing on security hardening, rootless execution, and custom image builds.</li><li>
Lightweight Orchestration: Experience with Kubernetes (k8s) or k3s, specifically focusing on self-hosted ingress controllers (Traefik, Nginx), Persistent Volume Claims (PVCs), and MetalLB.</li></ul>
Infrastructure as Code (IaC) &amp; Automation<ul><li>
Configuration Management: Extensive use of Ansible to manage &quot;snowflake&quot; servers and ensure idempotent state across hundreds of nodes.</li><li>
Provisioning Tools: Experience using Terraform or OpenTofu to manage non-cloud providers (Proxmox provider, VMware provider, or Libvirt).</li><li>
CI/CD Pipelines: Building and maintaining pipelines using open-source tools like Gitea/Forgejo, Woodpecker CI, or GitLab Runner.</li><li>
Observability: Setting up and tuning the &quot;LGTM&quot; stack (Loki, Grafana, Tempo, Mimir) or Prometheus/Grafana for real-time hardware and service monitoring.</li><li>
Security First: Implementation of local security best practices, including Fail2Ban, CrowdBsec, and Certificate Management (Let&rsquo;s Encrypt/ACME via DNS challenges).</li></ul>
Skills &amp; Experience:
Essential<ul><li>
Proven experience as a Systems or DevOps Engineer with a focus on self-hosted infrastructure.</li><li>
Deep expertise in Linux internals, kernel tuning, and system optimization.</li><li>
Strong experience in local virtualization and managing Type-1 hypervisors.</li><li>
Practical understanding of Infrastructure as Code (IaC) principles and automated provisioning.</li><li>
Hands-on experience building and maintaining open-source CI/CD pipelines.</li><li>
Excellent communication skills to articulate technical trade-offs regarding hardware and software choices.</li></ul>
Desirable<ul><li>
Experience in consultancy or professional services environments.</li><li>
Familiarity with microservices, containerization, and modern deployment patterns.</li><li>
Experience working across multi-disciplinary teams (Engineering, QA, Product).</li><li>
Relevant certifications in Linux Administration, Kubernetes (CKA/CKAD), or Security.</li></ul>
Why Join Aqovia?<ul><li>
Impactful Work: Directly support the Group CEO in driving strategic initiatives across fintech, digital banking, and emerging markets.</li><li>
Dynamic Environment: Work across multiple countries and cultures, interacting with senior executives, government officials, and partners.</li><li>
Career Growth: Exposure to executive leadership, strategy, and cross-regional operations, offering opportunities for accelerated development. 
Collaborative Culture: Join a global, forward-thinking team committed to innovation,impact, and operational excellence.</li></ul>
Diversity &amp; Inclusion:
Aqovia is committed to building a diverse and inclusive workplace that reflects the communities we serve. We welcome applicants from all backgrounds and believe in fostering an environment where everyone is valued and empowered.</div>

Senior Systems & DevOps Engineer

Ceenex Global LLC

The L3 Systems &amp; Cloud Engineer will be responsible for the administration, monitoring, andmanagement of DHA&rsquo;s physical servers, virtual machines, Azure cloud infrastructure, and containerplatforms. The role ensures high availability, performance, security, and compliance of all managed environments while following ITIL-aligned processes and best practices.Key ResponsibilitiesServer / VM ManagementVMware ManagementAzure ManagementMicrosoft 365 ManagementContainer Platform ManagementGeneral ResponsibilitiesParticipate in change management, incident management, and problem management activities.Maintain procedural documentation and SOPs.Ensure compliance with organizational security policies and industry standards.Collaborate with cross-functional teams and vendors for seamless operations.Mandatory:CCIE certificationRequired Skills &amp; ExperienceMinimum 8 years of experience in enterprise server, cloud, virtualization, and container management.Strong expertise in Windows Server OS administration.Hands-on experience with VMware virtualization technologies (vSphere, vCenter, ESXi).Strong experience in Microsoft 365 administration and security.Hands-on experience with Azure IaaS/PaaS services, networking, and security.Proficient in container orchestration (Kubernetes/AKS/OpenShift).Experience with monitoring, backup, and DR solutions.Familiarity with ITIL processes (Incident, Change, Problem, Access, and Configuration Management).Strong troubleshooting, analytical, and problem-solving skills.Excellent communication and documentation skills.Preferred CertificationsMicrosoftAZ-104: Microsoft Azure AdministratorAZ-305: Microsoft Azure Solutions Architect (Optional)MS-102: Microsoft 365 Administrator ExpertMS-900: Microsoft 365 Fundamentals (Optional)VMwareVCP-DCV (VMware Certified Professional &ndash; Data Center Virtualization)VMware Advanced Certification (Optional) Containers / KubernetesCKA (Certified Kubernetes Administrator)ITIL / Service ManagementITIL 4 FoundationJob Type: Full-timePay: AED16,000.00 - AED20,000.00 per monthWork Location: In person

Senior L3 System Admin

German University in Cairo

<div>Overview: 
Entry- to mid-level systems administrator responsible for supporting the daily operations, maintenance, and monitoring of enterprise systems across on-prem and cloud environments. Works under supervision and participates in on-call rotation with guidance. 
 
Key Responsibilities: 
<ul><li>Assist in system maintenance, updates, patching, and basic troubleshooting</li><li>Support backups and verify successful completion of backup jobs</li><li>Assist in system upgrades, migrations, and infrastructure projects</li><li>Provide support for Windows Server environments (Active Directory, DNS, DHCP, Group Policy)</li><li>Handle user account management (creation, modification, deactivation) in Active directory and Microsoft 365</li><li>Monitor system health and alerts; escalate issues when required</li><li>Support endpoint management and basic security tasks</li><li>Maintain and update asset inventory (devices, licenses, warranties)</li><li>Document procedures, configurations, and troubleshooting steps</li><li>Provide first-line support to internal teams and escalate complex issues</li><li>Participate in maintenance windows and on-call rotation (with supervision)</li></ul> 
Requirements: 
<ul><li>3-5 years of experience in systems administration</li><li>Basic knowledge of Windows Server and Active Directory</li><li>Familiarity with Microsoft 365 and Exchange Online</li><li>Basic understanding of networking concepts (DNS, DHCP, IP)</li><li>Exposure to virtualization platforms (e.g., VMware) is a plus</li><li>Basic scripting knowledge (PowerShell is a plus)</li><li>Good communication skills in English and Arabic</li><li>Relevant certifications</li></ul> 
Working Conditions:
 
<ul><li>Full-time position</li></ul> 
Application Instructions: 
Interested applicants are invited to submit their curriculum vitae to the GUC HR E-mail: &ldquo;hr@guc.edu.eg&rdquo; specifying in the subject: (Junior Systems Administrator) to facilitate the screening process 
 
Applications will be reviewed until position is filled. For best consideration, submit applications before 10th of May, 2026.</div>

Junior Systems Administrator

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