linux systems engineer

Gen3 Technology Consulting LLC

<div><h1 class="jobSectionHeader">About Us: 
Gen3 Technology Consulting is an SBA-certified Woman-Owned Small Business (WOSB) providing a diverse set of technology services and solutions to federal and commercial clients. Founded in 2017, Gen3 leverages over 25 years of information technology management and leadership experience to help our clients define, plan, manage, and achieve their strategic vision while protecting their critical IT assets. We attract and retain the highest caliber of talent by supporting an inclusive work environment, cultivating growth and leadership both professionally and personally, and encouraging work-life balance. We strive to make it our priority to be compassionate, family-friendly, respectful, and flexible. 
 
About the Role: 
Gen3 seeks a Linux Systems engineer to provide senior Linux engineering expertise for workloads and applications hosted across IRS Linux environments. The Linux Engineer ensures Linux-based systems integrate properly with data inventory and tagging (DIT), security controls, and multi-cloud Cybersecurity Information Protection Enhancement (CIPEC) tools. 
 
Location: Remote, US 
 
Key Responsibilities:</h1><ul><li>
Support Linux-hosted application assessment, data discovery, tagging, and protection.</li><li>
Develop security controls and implementation standards aligned with Zero Trust and IRS policies.</li><li>
Integrate Linux systems with CIPEC monitoring, incident response, and data inventory and tagging workflows.</li><li>
Provide troubleshooting and engineering support across hybrid on-prem/cloud Linux architectures.</li><li>
Support data flow analysis, vulnerability mitigation, and compliance requirements.</li></ul>
Minimum Qualifications:<ul><li>
Bachelor of science or engineering in computer science, and/or related fields.</li><li>
10+ years Linux engineering.
</li><li>At least one of the following certifications or similar: CompTIA Linux+, Linux Foundation Certified System Administrator, Red Hat Certified System Administrator, Red Hat Certified Engineer, Red Hat Certified Architect.</li><li>
Deep understanding of scripting, hardening, access control, and security configurations.</li><li>
Experience integrating Linux with enterprise cybersecurity and data loss prevention/data inventory and tagging tools.</li><li>Pending Award</li></ul> 
What's In It for You (full-time Gen3 employees):
<ul><li>Competitive compensation.</li>
<li>Comprehensive health, vision, and dental benefits.</li>
<li>Generous PTO and 11 days of paid Federal Holidays.</li>
<li>$3k annual tuition reimbursement.</li>
<li>401(k) with a matching plan.</li>
<li>Pet insurance.
</li><li>Life and AD&amp;D insurance.</li>
<li>Short-term and Long-term disability insurance.</li>
</ul>
Employment Eligibility: Eligible to work for any employer in the United States without requiring sponsorship. Most of our positions require a government security clearance, you must be a US Citizen or Green Card holder for consideration. Certain positions require at least three (3) of the past five (5) years of residence in the United States.
Other Requirements:
<ul><li>A minimum of three (3) out of the past five (5) years of residency in the United States is mandatory.</li>
<li>Candidates must possess either an active green card or citizenship.</li>
<li>Prospective employees offered a position must have work authorization that does not necessitate employer-sponsored visa sponsorship, both presently and in the future.</li>
<li>Those selected for this role may undergo a government security investigation and must meet the eligibility criteria for accessing classified information or be eligible for security clearances.</li>
<li>Location: Gen3 is currently focusing its hiring efforts in these states: Alabama, Arizona, Colorado, DC, Florida, Georgia, Kentucky, Maryland, Missouri, North Carolina, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Texas, Virginia, and Wisconsin.</li>
</ul>
Veteran and HubZone-friendly employer.
E-Verify Employer. EOE Statement: Gen3 is an equal opportunity employer. We adhere to all federal regulations and ensure that our hiring practices are based solely on merit. We do not discriminate against any applicant based on race, color, sex, sexual orientation, gender identity, religion, national origin, disability, or veteran status. All qualified applicants will receive consideration for employment.
Accommodation: Please contact the recruiting team at recruiting@gen3technology.com if you would like to request a reasonable accommodation during the application or interviewing process.
CLJ9WzauGW</div>

Linux Systems Engineer

AL GHAITH TECHNICAL SERVICES

Role Summary:The SOC Engineer / SOC Technologist is responsible for deploying, configuring, and maintaining SOC platforms including SIEM, SOAR, endpoint protection, logging pipelines, and threat analysis systems. This role requires strong Linux administration skills, experience integrating security tools, and supporting SOC teams.Key Responsibilities1. SOC Platform Deployment &amp; Engineering&middot; Deploy, configure, and maintain SOC platforms such as SIEM, SOAR, endpoint protection, and threat intelligence systems.&middot; Integrate SOC tools with log sources, servers, network devices, cloud platforms, and identity services.&middot; Build and optimize log ingestion pipelines, parsers, and normalization rules.&middot; Develop and tune correlation rules, dashboards, detections, and reporting functionalities.2. Linux Systems Administration&middot; Administer and secure Linux-based servers used for SOC operations.&middot; Perform OS hardening, patching, and troubleshooting.&middot; Manage log collection services, agents, and system monitoring tools.&middot; Maintain authentication, permissions, and system-level controls.3. SOC Operations Support&middot; Collaborate with SOC analysts to enhance alert quality and detection accuracy.&middot; Troubleshoot ingestion failures, alerting issues, and detection rule gaps.&middot; Support incident response by providing logs, system context, and technical analysis.4. Architecture &amp; Integration&middot; Design SOC platform architectures for enterprise or multi-tenant environments.&middot; Integrate SOC systems with identity platforms, cloud workloads, endpoint protection, and network security layers.&middot; Automate operational tasks and workflows using scripting languages.5. Documentation &amp; Governance&middot; Create deployment guides, run books, diagrams, and technical documentation.&middot; Ensure SOC platforms align with industry security frameworks and standards.Required Skills &amp; Experience Technical Skills&middot; Strong Linux administration skills including system security and automation.&middot; Experience deploying and maintaining SOC platforms.&middot; Understanding of monitoring, detection, and incident response processes.&middot; Knowledge of network fundamentals including routing, switching, DNS, and firewalls.&middot; Experience with scripting languages such as Bash or Python.&middot; Understanding of threat analysis, detection engineering, and adversary behaviors.Soft Skills&middot; Excellent analytical and troubleshooting capabilities.&middot; Clear communication and documentation skills.&middot; Ability to collaborate effectively with SOC teams and stakeholders.Experience Required3&ndash;5 years of experience in SOC engineering, cybersecurity infrastructure, or security operations, including hands-on deployment of SOC platforms.Preferred Certifications&middot; Linux administration certifications.&middot; Cybersecurity certifications related to SOC operations, detection engineering, or incident response.Job Type: Full-time

SOC Engineer / SOC Technologist (Linux & SOC Platforms Deployment)

Cartafella Analytics

We are looking for Senior Linux Automation &amp; Patching Engineer for Qatar location.Key Responsibilities1. End-to-End Patching Lifecycle Management<ul><li>Manage the full patching lifecycle for 100+ Linux servers across RHEL/CentOS 7.x, 8.x, and 9.x.</li><li>Plan, schedule, and execute patching within approved maintenance windows, aligned with strict change management procedures.</li><li>Conduct pre-deployment patch testing in staging environments to assess risk, dependencies, and application impact.</li><li>Perform kernel patching, pre-reboot validations, and coordinated post-reboot health checks.</li><li>Maintain detailed runbooks and ensure zero unplanned downtime during patch cycles.</li></ul>2. Package &amp; Repository Management<ul><li>Manage, configure, and optimize local YUM/DNF repositories, including syncing with upstream vendor sources.</li><li>Handle multi-source patching (OS vendor patches, third-party package updates, custom repositories).</li><li>Maintain secure repository architecture and ensure package integrity.</li><li>Oversee version pinning, dependency management, rollback strategies, and patch impact controls.</li></ul>3. Tooling &amp; Automation<ul><li>Deploy, manage, and optimize patch management tools such as:</li><li>Red Hat Satellite</li><li>Foreman/Katello</li><li>Ansible Automation Platform</li><li>Ubuntu Landscape (desirable)</li><li>Architect and maintain Ansible playbooks and roles for:</li><li>Automated patch deployment</li><li>Compliance validation</li><li>Configuration drift detection</li><li>Inventory and reporting</li><li>Integrate patching workflows into CI/CD pipelines for automated maintenance where applicable.</li><li>Implement idempotent, reproducible automation practices with structured workflows.</li></ul>4. Compliance, Security &amp; Reporting<ul><li>Ensure 100% compliance with organizational patching SLAs and security mandates.</li><li>Analyze vulnerability reports and work closely with the Security team to prioritize patches based on:</li><li>CVSS scores</li><li>Exploit availability</li><li>Internal vulnerability scans</li><li>Generate detailed compliance dashboards and reports covering:</li><li>Patch status</li><li>System inventory</li><li>Remediation progress</li><li>High-risk vulnerabilities</li><li>Maintain audit-ready documentation for regulatory and internal compliance reviews.</li></ul>5. Troubleshooting &amp; Cross-Functional Collaboration<ul><li>Troubleshoot patching failures, dependency conflicts, repository sync issues, and post-patch application problems.</li><li>Partner with Linux Operations, Application Owners, and Infrastructure teams to ensure coordinated patching without business impact.</li><li>Own documentation of procedures, FAQs, best practices, and known issues for internal knowledge bases.</li><li>Provide mentorship and technical guidance to junior engineers.</li></ul>Qualifications &amp; SkillsEssential Qualifications<ul><li>8+ years of experience as a Linux System Administrator or Patching Engineer.</li><li>Expert-level proficiency with RHEL/CentOS 7/8/9, YUM/DNF package management, and repository handling.</li><li>Strong hands-on experience with Ansible automation (Playbooks, Roles, Tower/AAP).</li><li>Proficiency in Shell and Bash scripting.</li><li>Solid understanding of:</li><li>Linux security hardening</li><li>System performance diagnostics</li><li>Strong analytical skills and ability to troubleshoot complex patching issues.</li></ul>Desirable Qualifications<ul><li>Experience with Red Hat Satellite Lifecycle Management.</li><li>Exposure to other Linux distributions (Ubuntu,Oracle Linux, SUSE).</li><li>Experience with compliance frameworks: CIS</li><li>Certifications such as:</li><li>RHCSA</li><li>RHCE</li><li>Red Hat Certified Specialist in Ansible Automation</li></ul>If you are available, please send your cv imemdiately.Job Type: Full-timePay: QAR15,000.00 - QAR18,000.00 per month

Senior Linux Automation & Patching Engineer for Qatar

Aceis Services

Job Title: Infrastructure EngineerLocation: Pune (Kharadi) Employment Type: Full-time / Hybrid Experience: 8+ years Looking for Immediate Joiners Passport MandatoryRole OverviewWe are looking for a seasoned Infrastructure Engineer with deep expertise in on-prem virtualization, Linux systems, and networking. This role demands hands-on experience in building infrastructure from the ground up, ensuring scalability, reliability, and security. The ideal candidate will also bring a proactive mindset toward automation, scripting, and modern DevOps practices.Key Responsibilities&gt; Design, deploy, and manage on-prem virtualization environments using VMware (vSphere, ESXi, vCenter).&gt; Build and configure infrastructure from scratch, including servers, storage, and networking components.&gt; Administer and optimize Linux systems across production and development environments.&gt; Configure and troubleshoot networking protocols (TCP/IP, DNS, DHCP, VLANs, firewalls).&gt; Collaborate with cross-functional teams to support infrastructure needs for applications and services.&gt; Maintain detailed documentation of infrastructure architecture, configurations, and procedures.&gt; Ensure infrastructure security and compliance with industry best practices.Required Skills &amp; Qualifications&gt; Strong hands-on experience with VMware virtualization technologies.&gt; Expert-level knowledge of Linux (RHEL, CentOS, Ubuntu) and networking fundamentals.&gt; Proven experience in building infrastructure from scratch, including hardware and software setup.&gt; Familiarity with monitoring tools and performance tuning.&gt; Excellent troubleshooting and problem-solving skills.Preferred / Good to Have&gt; Experience with DevOps / DevSecOps methodologies and CI/CD pipelines.&gt; Proficiency in Python and Shell scripting for automation and system tasks.&gt; Working knowledge of databases (e.g., MySQL, PostgreSQL) and experience configuring them.&gt; Exposure to ServiceNow for IT service management and workflow automation.&gt; Familiarity with configuration management tools (e.g., Ansible, Terraform).Job Type: PermanentWork Location: In person

Infrastructure Engineer

Alite Healthcare Solutions

Job Description &ndash; Linux System Administrator / Automation EngineerLocation: Sacramento, CaliforniaOverviewWe are seeking a highly skilled Linux System Administrator &amp; Automation Engineer to support enterprise operations across on-premises datacenters and hybrid cloud environments. The ideal candidate will have deep expertise in Red Hat Enterprise Linux (RHEL), Ansible automation, security compliance, and DevOps practices. This role involves system administration, security hardening, infrastructure automation, and cross-team collaboration to ensure reliable, secure, and scalable IT services.Key Responsibilities40% &ndash; System Administration and Automation<ul><li>Install, configure, and maintain Red Hat Enterprise Linux (RHEL) systems across multiple environments.</li><li>Perform account management, troubleshooting, and shell scripting to support daily Linux operations.</li><li>Develop and maintain Ansible playbooks, roles, and collections for automated provisioning and configuration.</li><li>Install, configure, and manage Red Hat Ansible Automation Platform (AAP), including controllers and execution environments.</li><li>Automate patch promotion, errata handling, and compliance workflows using Red Hat Satellite.</li></ul>20% &ndash; Security and Compliance<ul><li>Apply DISA STIG hardening standards and ensure adherence to Customer and NIST security policies.</li><li>Manage PKI infrastructure, including digital certificates and key lifecycle processes.</li><li>Implement and manage SELinux policies, firewall rules, and system access controls.</li><li>Monitor system logs, analyze security events, and respond to incidents.</li></ul>15% &ndash; DevOps and Containerization<ul><li>Manage and support containerized applications using Podman or Docker.</li><li>Support the installation, configuration, and operation of GitLab for CI/CD pipeline workflows.</li><li>Collaborate with development teams to align automation efforts with application delivery processes.</li></ul>15% &ndash; Infrastructure Integration<ul><li>Automate integration across datacenter and cloud services, enabling consistent infrastructure operations.</li><li>Administer VMware vSphere environments including VM provisioning, scaling, and resource optimization.</li><li>Support hybrid cloud deployments and cloud-native automation initiatives.</li></ul>10% &ndash; Documentation and Collaboration<ul><li>Maintain detailed and up-to-date technical documentation for systems, automations, and operational procedures.</li><li>Provide mentorship, technical guidance, and training to peers and junior team members.</li><li>Participate in cross-functional project teams to support enterprise IT and modernization initiatives.</li></ul>Pay: $50.00 - $52.00 per hourWork Location: In person

Linux System Administrator / Automation Engineer

Techbridge Consultancy Services

We are looking for a highly motivated VoIP Engineer with 2 to 4 years of hands-on experience, VoIP technologies, and cloud-enabled UCaaS solutions. The ideal candidate is skilled in SIP protocols, VoIP , and has a strong background in Linux systems, networking, and telephony automation.Responsibilities:<ul><li>Demonstrate a robust understanding of PBX, VoIP, and cloud-based UCaaS solutions.</li><li>Act as the primary authority on SIP voice protocols, ensuring accurate configuration and optimization.</li><li>Implement and refine network parameters to ensure optimal voice quality across the network.</li><li>Preferably possess experience with WebRTC voice and video protocols.</li><li>Possess extensive knowledge of SIP signalling, media flows, and troubleshooting methodologies.</li><li>Exhibit a strong grasp of Quality of Service (QoS) principles in a voice environment.</li><li>Showcase excellent communication and collaboration skills.</li><li>Oversee the quality of service delivered by the team in alignment with customer SLAs.</li><li>Conduct system administration for Asterisk PBX, IVR, and Call Center servers worldwide.</li><li>Manage SMPP and API-based SMS technologies.</li><li>Collaborate with the team to uphold the security of all VoIP devices and servers, ensure service quality, redundancy of voice paths, and optimize services.</li><li>Analyze Linux-based servers for QoS, scalability, utilization, and high availability.</li><li>Engage in continuous research to identify and implement the latest technologies for enhancing telephony infrastructure.</li><li>Develop applications integrated with telephony systems to enhance monitoring and daily operations.</li><li>Create automation scripts in Python, PHP, Perl, etc., to automate various tasks and activities within the system.</li></ul>Skills Required:<ul><li>Proficiency in Linux systems, including various distributions such as Red Hat/CentOS, Ubuntu/Debian, with experience in system administration and troubleshooting.</li><li>Strong understanding of network infrastructure, TCP/IP networking, routing, and switching.</li><li>Expertise in scripting languages such as Python, Perl, Bash for automation and task scripting.</li><li>Familiarity with database design, SQL queries, preferably with MySQL.</li><li>Hands-on experience with the SMPP protocol.</li><li>Proficient in VoIP tools like Asterisk or FreeSWITCH</li><li>Good understanding of SIP proxies like Kamailio or OpenSIPS.</li><li>Thorough understanding of VoIP protocols including SIP, SDP, RTP, RTCP, IAX, WS/WSS, etc.</li><li>Knowledgeable about Asterisk functionalities such as AGI, ARI, queues, conferencing, etc.</li><li>Ability to configure SIP proxies and B2BUAs.</li><li>Experience in troubleshooting carrier interconnection and VoIP-related issues.</li><li>Adaptability to changing technology and business requirements.</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>How many years of experience do you have in Voip?</li><li>Do you have scripting experience (Python, PHP, Bash, Perl)?</li><li>Do you have hands-on experience with Linux server administration?</li></ul>Work Location: In person

Voip Engineer

PhonePe

<div>
 
 About PhonePe Limited:
 
 
 
 Headquartered in India, its flagship product, the PhonePe digital payments app, was launched in Aug 2016. As of April 2025, PhonePe has over 60 Crore (600 Million) registered users and a digital payments acceptance network spread across over 4 Crore (40+ million) merchants. PhonePe also processes over 33 Crore (330+ Million) transactions daily with an Annualized Total Payment Value (TPV) of over INR 150 lakh crore.
 
 
 PhonePe&rsquo;s portfolio of businesses includes the distribution of financial products (Insurance, Lending, and Wealth) as well as new consumer tech businesses (Pincode - hyperlocal e-commerce and Indus AppStore Localized App Store for the Android ecosystem) in India, which are aligned with the company&rsquo;s vision to offer every Indian an equal opportunity to accelerate their progress by unlocking the flow of money and access to services.
 
 
 
 Culture:
 
 
 
 At PhonePe, we go the extra mile to make sure you can bring your best self to work, Everyday!. And that starts with creating the right environment for you. We empower people and trust them to do the right thing. Here, you own your work from start to finish, right from day one. PhonePe-rs solve complex problems and execute quickly; often building frameworks from scratch. If you&rsquo;re excited by the idea of building platforms that touch millions, ideating with some of the best minds in the country and executing on your dreams with purpose and speed, join us!
 
 
 
 About The Role
 
 
 
 As a
 
 Production Engineer
 
 at PhonePe, you'll be part of a centralized team responsible for carrying out routine production operational tasks such as Operating System Vulnerability Patching and Software / Configuration Upgrades. You'll work with other SRE teams, ensuring crucial changes are made to keep our systems up to date with OS Vulnerability Management. You will be expected to work on well-defined tasks, following predefined SOPs.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Deploying Operating System Vulnerability fixes.
 </li>
 <li>
 Deploying configuration/ monitoring changes to production systems.
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 2-3 years of hands-on experience in Linux / Unix systems for G1
 </li>
 <li>
 4-5 years of hands on experience for G2
 </li>
 <li>
 Hands-on experience in Linux Commands &amp; command-line tools and handling Linux Servers in Production Environment
 </li>
 <li>
 Familiarity with software installation and configuration
 </li>
 <li>
 Knowledge of common network protocols and technologies
 </li>
 <li>
 Knowledge of configuration management using either Saltstack or equivalent
 </li>
 <li>
 Good communication skills
 
 
 </li>
 </ul>
 
 Nice to Have
 
 
 
 <ul>
 <li>
 Knowledge of Linux Package Management Tools like APT or YUM
 </li>
 <li>
 Understanding of System &amp; Linux Log files
 </li>
 <li>
 Troubleshooting of basic issues in Linux Systems
 
 
 </li>
 </ul>
 
 Location:
 
 Bangalore
 
 
 
 Type
 
 : On-Site
 
 
 
 Note
 
 : Please note that this position requires shift work, and you will be expected to participate in a 24/7 shift rotation as part of your regular schedule.
 
 
 
 PhonePe Full Time Employee Benefits (Not applicable for Intern or Contract Roles)
 
 
 
 <ul>
 <li>
 Insurance Benefits - Medical Insurance, Critical Illness Insurance, Accidental Insurance, Life Insurance
 </li>
 <li>
 Wellness Program - Employee Assistance Program, Onsite Medical Center, Emergency Support System
 </li>
 <li>
 Parental Support - Maternity Benefit, Paternity Benefit Program, Adoption Assistance Program, Day-care Support Program
 </li>
 <li>
 Mobility Benefits - Relocation benefits, Transfer Support Policy, Travel Policy
 </li>
 <li>
 Retirement Benefits - Employee PF Contribution, Flexible PF Contribution, Gratuity, NPS, Leave Encashment
 </li>
 <li>
 Other Benefits - Higher Education Assistance, Car Lease, Salary Advance Policy
 
 
 </li>
 </ul>
 
 
 Our inclusive culture promotes individual expression, creativity, innovation, and achievement and in turn helps us better understand and serve our customers. We see ourselves as a place for intellectual curiosity, ideas and debates, where diverse perspectives lead to deeper understanding and better quality results. PhonePe is an equal opportunity employer and is committed to treating all its employees and job applicants equally; regardless of gender, sexual preference, religion, race, color or disability. If you have a disability or special need that requires assistance or reasonable accommodation, during the application and hiring process, including support for the interview or onboarding process,
 
 
 
 
 please fill out this form.
 
 
 
 
 
 
 Read more about PhonePe
 
 
 
 
 on our blog
 
 
 
 
 .
 
 
 
 
 
 Life at PhonePe
 
 
 
 
 PhonePe in the news
 
</div>

Production Engineer

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