devops engineer

admin officer

it support engineer

administrator

assistant manager utilities Jobs in Karachi

assistant manager utilities

linux system administrator

OBHost (Your Hosting Partner)

We need a Basic Linux System Administrator to help set up and manage our Linux servers. You will be responsible for making sure the servers run smoothly, fixing any problems, and keeping everything secure.Responsibilities:<ul><li>Set up and manage Linux servers (like Ubuntu, CentOS).</li><li>Check the system&rsquo;s performance and fix any issues.</li><li>Manage user accounts and security.</li><li>Work with the team to keep everything running smoothly.</li></ul>Requirements:<ul><li>Basic Linux knowledge</li><li>Know how to set up and manage cloud resources.</li><li>Able to solve problems related to cloud infrastructure.</li><li>Experience with cloud platforms</li></ul>Job Type: Full-timePay: Rs20,000.00 - Rs30,000.00 per monthWork Location: In person

Technical Support Executive

Retail online

We are seeking a skilled Linux Administrator to join our team and manage the installation, configuration, and maintenance of Linux-based systems. The role involves ensuring system stability, performance, and security while supporting business-critical applications. The ideal candidate should have hands-on experience with Linux environments, networking services, virtualization, and system security best practices.Key Responsibilities:<ul><li>Install, configure, and maintain Linux servers (Ubuntu, CentOS, RHEL, or similar).</li><li>Monitor server performance, troubleshoot issues, and ensure high system availability.</li><li>Perform regular updates, apply patches, and implement security hardening measures.</li><li>Manage user accounts, file systems, and permissions to maintain secure environments.</li><li>Configure and support networking services such as DNS, DHCP, NFS, SSH, and FTP.</li><li>Implement and manage backup, recovery, and disaster recovery strategies.</li><li>Monitor and analyze server logs, system health checks, and resource utilization.</li><li>Support deployment and management of applications, containers, and virtualization (VMware, KVM, Proxmox).</li><li>Collaborate with development and IT teams to streamline system operations.</li><li>Secure systems with firewalls, access control, and vulnerability management practices.</li><li>Maintain accurate documentation of configurations, processes, and standard operating procedures.</li></ul>Qualifications &amp; Skills:<ul><li>Education: Bachelor&rsquo;s degree in Computer Science, Information Technology, or a related field (or equivalent experience).</li><li>Experience: 2&ndash;4 years of proven experience as a Linux System Administrator or similar role.</li><li>Technical Skills:</li><li>Strong knowledge of Linux OS (Ubuntu, CentOS, RHEL, etc.)</li><li>Hands-on experience with server administration, shell scripting, and automation tools</li><li>Familiarity with networking protocols and services (TCP/IP, DNS, DHCP, NFS, etc.)</li><li>Experience with virtualization and containerization platforms (VMware, KVM, Proxmox, Docker)</li><li>Knowledge of system monitoring tools (Nagios, Zabbix, Prometheus, etc.)</li><li>Understanding of firewalls, security policies, and vulnerability management</li><li>Soft Skills:</li><li>Strong problem-solving and troubleshooting abilities</li><li>Good communication and teamwork skills</li><li>Ability to work in a fast-paced, dynamic environment</li><li>Attention to detail and a proactive approach to system management</li></ul>Job Type: Full-timeWork Location: In person

Linux Administrator

VIRTUOSOFT

Location: Remote (Following Saudi Arabia Time Zone) Contract: 1 Year (Extendable)Key ResponsibilitiesActive Directory / Exchange Administration<ul><li>Manage and support Microsoft Active Directory (AD), Azure AD, and AD Connect.</li><li>Administer and troubleshoot Microsoft Exchange Server (On-Prem / Hybrid).</li><li>Configure and monitor DNS, DHCP, Group Policies, authentication, and security policies.</li><li>Ensure system backup, recovery, and disaster recovery readiness.</li><li>Provide Level 2/3 technical support for AD/Exchange-related issues.</li></ul>SQL Server on Linux Administration<ul><li>Install, configure, and maintain Microsoft SQL Server on Linux-based environments.</li><li>Monitor and optimize database performance, indexing, and query execution.</li><li>Manage replication, clustering, high availability, and backup/recovery strategies.</li><li>Implement database security, role-based access control, and encryption policies.</li><li>Collaborate with developers for schema design, stored procedures, and query optimization.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in Computer Science, IT, or related field.</li><li>5+ years of combined experience in System Administration (AD/Exchange) and Database Administration (SQL Server on Linux).</li><li>Strong hands-on experience in:</li><li>Active Directory, Azure AD, Exchange Server (On-Prem / Hybrid)</li><li>SQL Server on Linux (Ubuntu, RedHat, CentOS)</li><li>Windows Server administration and Linux OS administration</li><li>Knowledge of backup/recovery tools, replication, Always On, and HA solutions.</li><li>Strong troubleshooting, analytical, and problem-solving skills.</li><li>Relevant certifications (e.g., MCSE, MCSA, Microsoft 365 Certified, SQL Server DBA) are a plus.</li></ul>Contract &amp; Timing<ul><li>Contract Duration: 1 Year (Extendable based on performance).</li><li>Work Schedule: 10:00 AM &ndash; 7:00 PM (Saudi Arabia Time Zone).</li><li>Days Off: Friday &amp; Saturday (Weekend), Sunday On.</li></ul>Job Type: Full-timeWork Location: In person

System Administrator & Database Administrator (AD Exchange & SQL Server on Linux)

97 Solutions

We are seeking an experienced Asterisk / FreeSWITCH Engineer to join our team and support multiple telephony projects for international clients. The role requires deep expertise in Asterisk/FreePBX and FreeSWITCH, as well as hands-on experience with WebRTC/webphone integrations and call center environments.ResponsibilitiesProject 1: Asterisk/FreePBX IVR System<ul><li>Configure and maintain FreePBX with multiple extensions.</li><li>Implement IVR menus that route calls to the appropriate extensions.</li><li>Integrate and troubleshoot our proprietary webphone (WebRTC, SIP over WebSockets).</li></ul>Project 2: Call Center (FreeSWITCH-based)<ul><li>Deploy, configure, and optimize FreeSWITCH for large-scale call center operations.</li><li>Manage SIP trunks and call routing for high-volume call flows.</li><li>Ensure scalability, reliability, and call quality across distributed systems.</li></ul>General Duties<ul><li>Integrate and manage SIP trunks (Flowroute and others).</li><li>Monitor and troubleshoot VoIP traffic (SIP/RTP/WebRTC).</li><li>Configure STUN/TURN servers for WebRTC connectivity.</li><li>Optimize performance for high concurrency environments.</li><li>Maintain Linux servers (Debian/Ubuntu/CentOS).</li><li>Implement security best practices (fail2ban, TLS/SRTP, IP whitelisting).</li><li>Use tools like asterisk CLI, fs_cli, sngrep, tcpdump, and wireshark for debugging.</li></ul>Required Skills &amp; Experience<ul><li>3+ years of hands-on experience with Asterisk/FreePBX (dialplans, IVRs, queues, extensions).</li><li>Proven expertise in FreeSWITCH for large call center deployments.</li><li>Strong knowledge of SIP protocol, RTP, NAT traversal issues.</li><li>Experience integrating and troubleshooting WebRTC/webphones (SIP over WebSockets).</li><li>Solid Linux system administration skills.</li><li>Strong debugging and performance optimization skills in high-load VoIP environments.</li></ul>Nice to Have<ul><li>Experience with Kamailio/OpenSIPS for SIP load balancing.</li><li>Familiarity with call recording, reporting, and CRM integrations.</li><li>Knowledge of contact center solutions and workforce management tools.</li></ul>Job Types: Full-time, Part-time, ContractApplication Question(s):<ul><li>What is your expected salary for full-time / part-time on-site setup?</li><li>Our office timings are 1pm to 10pm, Mon-Fri, Location: Nazimabad, will that be feasible to you?</li><li>Describe your experience with Asterisk/FreePBX and IVR setup.</li><li>What&rsquo;s your experience with FreeSWITCH in high-volume call centers?</li><li>How have you integrated WebRTC or proprietary webphones with PBX systems?</li><li>What tools do you use to troubleshoot one-way audio or SIP call issues?</li><li>Have you worked with Flowroute or other SIP trunk providers?</li></ul>Language:<ul><li>English (Required)</li></ul>Work Location: In person

Asterisk / FreeSWITCH Engineer

Synergy Solutions

Job ObjectiveTo provide hands-on support for the Odoo ERP system, ensuring smooth functionality, user adoption, and coordination with external consultants for system enhancements and issue resolution.Key Responsibilities<ul><li>Maintain and support the Odoo ERP system, ensuring system availability, reliability, and performance.</li><li>Serve as the first point of contact for ERP-related queries, troubleshooting issues, and escalating complex matters to consultants when needed.</li><li>Manage user accounts, roles, and permissions to maintain system security and accuracy.</li><li>Coordinate with the Odoo consultant for upgrades, customizations, and new module implementation.</li><li>Provide day-to-day on-ground support to employees, helping them effectively use the system for their functions.</li><li>Conduct user training sessions and create simple guides/manuals to improve adoption and reduce repetitive queries.</li><li>Perform system updates, patches, and regular backups in coordination with IT.</li><li>Test and validate new customizations or workflows to ensure accuracy, efficiency, and alignment with business requirements.</li><li>Monitor and report on system usage, identifying gaps and suggesting improvements.</li><li>Collaborate with cross-functional teams (finance, sales, supply chain) to streamline workflows and ensure data integrity.</li><li>Manage day-to-day IT support across the organization, including troubleshooting hardware, software, and connectivity issues.</li><li>Set up and configure new user accounts and workstations.</li><li>Manage user account creation and credentials across platforms including Outlook, Microsoft Office, Linux servers, and internal file servers</li><li>Provide technical assistance and support during the organization&rsquo;s transition to cloud-based infrastructure, including basic understanding of cloud platforms, user account management, and ensuring data backups and access controls are managed effectively.</li><li>Provide support for internal servers, backup systems, and basic network administration.</li><li>Monitor and maintain LAN/WAN infrastructure, printers, and networked devices.</li><li>Liaise with third-party vendors or service providers when needed.</li><li>Ensure timely IT onboarding and off boarding (email creation, system access, etc.).</li><li>Maintain records of all IT assets and inventory.</li><li>Assist with basic data backup procedures and recovery tasks.</li></ul>Knowledge, Skills &amp; Abilities<ul><li>Strong understanding of ERP workflows (preferably Odoo).</li><li>Ability to troubleshoot technical and functional issues.</li><li>Good communication and training skills for interacting with non-technical staff.</li><li>Problem-solving and analytical thinking.</li><li>Team player with adaptability.</li></ul>Education &amp; Experience<ul><li>Bachelor&rsquo;s degree in Computer Science, Information Systems, or related field.</li><li>1&ndash;3 years of experience in ERP system support/administration (Odoo experience preferred).</li><li>Hands-on experience in ERP user support, role management, and coordination with technical teams.</li></ul>Job Type: Full-timePay: Rs60,000.00 - Rs100,000.00 per monthWork Location: In person

Odoo System Administrator

Mezan group

Come and join our fast-growing team.We are looking for Database Administrator based in Karachi.Qualifications&middot; 01 &ndash; 03 years of relevant experience.&middot; Minimum Graduate. (BSCS Preferred).&middot; Certification / Experience in Database.&middot; Strong Communication skills (Verbal / written).Key Responsibilities and Duties&middot; Setting measures to secure, and manage the Data.&middot; Hands-on expertise in Linux (5.7, 6.5, 7.6)/UNIX/Windows/ Apache.&middot; Ability to take backups periodically.&middot; Security Policies on Oracle Database level and Linux level.Employment Type: PermanentJob Function: System Applications Industry: FMCGJob Type: Full-timePay: Rs100,000.00 - Rs150,000.00 per monthApplication Question(s):<ul><li>Are you able to join immediately?</li><li>Are you able to work at SITE Area Karachi?</li></ul>Education:<ul><li>Bachelor's (Required)</li></ul>Experience:<ul><li>Database Administrator: 2 years (Required)</li></ul>Location:<ul><li>Karachi (Required)</li></ul>Work Location: In person

Database Administrator

Hire My Tech

<div>We are seeking an experienced System Security Engineerto design, implement, and manage secure systems and infrastructure across complex environments. The ideal candidate will bring expertise in system hardening, vulnerability management, cloud security, and DevSecOps principleswhile ensuring compliance with Federal, DoD, and Intelligence Community (IC) security requirements.
Primary Duties &amp; Responsibilities<ul>
<li>Define system security requirements, including authorization boundaries, security domains, and data classifications.</li>
<li>Design security interfaces, interconnections, and trust relationships between system components and external systems.</li>
<li>Implement secure system architectures using COTS, GOTS, and open-source technologies.</li>
<li>Oversee hardening and configuration of systems and components per Federal, DoD, and IC guidance.</li>
<li>Manage security assessments using automated tools (e.g., Tenable Nessus, SCAP).</li>
<li>Coordinate vulnerability assessments, identify control failures, and recommend corrective actions.</li>
<li>Support business continuity and disaster recovery (BC/DR) strategies.</li>
<li>Administer servers, backups, monitoring tools, and multi-network environments.</li>
<li>Contribute to CI/CD pipelines, automation, and infrastructure security improvements.</li></ul>
Desired Skills &amp; Requirements<ul>
<li>Strong knowledge of DevSecOps principles with the ability to advise cross-functional teams and simplify technical communication.</li>
<li>Hands-on experience with Red Hat Enterprise Linux (RHEL), Windows administration, OpenShift, and Kubernetes.</li>
<li>Certification or proven experience as Red Hat OpenShift Administrator.</li>
<li>Cloud expertise with AWS (Cloud Practitioner), Azure (Solutions Architect/DevOps Engineer).</li>
<li>2+ years configuring/managing F5 Firewall infrastructure in enterprise environments.</li>
<li>Experience managing web server architectures (e.g., Apache Tomcat on RHEL).</li>
<li>Familiarity with CI/CD and development tools: GIT, Helm, Fortify, SonarQube, Chef, Docker, OpenShift, Kubernetes, OKTA, F5 APM, ADFS.</li>
<li>Experience with middleware technologies (RabbitMQ, Java, .NET runtime).</li>
<li>Knowledge of web technologies: HTML4/5, XML, SOAPUI.</li>
<li>Proficiency with network analysis tools: Splunk, Wireshark, SD Elements, Sniffer, MS Network Monitor.</li>
<li>Cybersecurity certifications preferred: CCSP, CISSP.</li>
<li>Strong scripting skills (e.g., PowerShell) for automation, cloud management, and CI/CD pipelines.</li></ul>
Qualifications<ul>
<li>Bachelors degree in Computer Science, Cybersecurity, or related field (or equivalent experience).</li>
<li>Minimum 5+ years of IT/system security experience with increasing responsibility.</li>
<li>Proven track record of designing, securing, and supporting enterprise-level systems.</li></ul></div>

RedHat Dev SecOps Engineer

Explore 439+ Linux system administrator in Karachi this September. Find roles across top companies and apply now to boost your career.