Linux ​System Administrator- Top Secret Clearance Required

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    "datePosted": "2026-02-18T05:00:00.000Z",
    "description": "<h2>Opportunity</h2>\n<p>As a trusted federal contractor, IMG delivers mission-focused solutions that support government customers and the people who serve them. We are hiring a <strong>Linux System Administrator </strong>who will oversee and maintain current enterprise RedHat Linux environment to ensure the stability, security and performance of these systems,</p>\n<p> </p>\n<p><strong>Candidates must have an active Top Secret or Q security clearance to qualify.</strong></p>\n<p> </p>\n<p><strong>System Installation and Configuration</strong>a. Install, configure, and maintain RHEL operating systems.b. Set up new hardware or virtual machines, including managing drivers and kernel configurations.c. Configure and manage system-level services (e.g., SSH, NFS, FTP, web servers).</p>\n<p> </p>\n<p><strong>System Monitoring and Performance Tuning</strong>a. Monitor system performance, resource usage, and network traffic using tools like Dynatrace.b. Optimize system performance by tuning kernel parameters, adjusting storage subsystems, and balancing resource loads.c. Troubleshoot issues that affect performance or downtime Technical Requirements for<strong>User and Permission Management</strong>a. Create and manage user accounts, groups, and permissions.b. Implement and maintain security policies to ensure appropriate access controls (e.g., file system permissions, SELinux, AppArmor).c. Troubleshoot user account issues, including SSH key management and password resets.</p>\n<p><strong>Security</strong>a. Regularly update and patch systems to mitigate vulnerabilities.b. Configure firewalls (iptables, nftables) and intrusion detection/prevention systems (IDS/IPS).c. Perform security audits, log monitoring, and implement measures to meet compliance requirements.d. Manage and monitor antivirus solutions (if required).</p>\n<p> </p>\n<p><strong>Automation and Scripting</strong>a. Write and maintain scripts (Bash, Python, Perl, etc.) to automate tasks such as system updates, user provisioning, and log rotation.b. Utilize configuration management tools like Ansible to standardize system configurations.c. Leverage cron or systemd timers for task scheduling.</p>\n<p> </p>\n<p><strong>Software and Package Management</strong>a. Install, maintain, and update software packages using package managers (e.g., yum, dnf).b. Manage custom software repositories and build custom packages when necessary.c. Address and troubleshoot dependency issues during installations and updates.</p>\n<p> </p>\n<p><strong>Networking</strong>a. Configure and troubleshoot network interfaces, DNS, firewall rules, and routing on Linux systems.b. Set up and manage network services like Apache, Nginx, or Samba.c. Monitor network connectivity using tools like tcpdump, Wireshark, or Netstat.</p>\n<p><strong>Documentation and Communication</strong>a. Maintain documentation for system configurations, policies, procedures, and troubleshooting.b. Communicate with other IT teams, vendors, and stakeholders to resolve incidents and plan system changes.c. Participate in team collaborations, such as IT service reviews or post-mortem analyses</p>\n<p> </p>\n<p><strong>Troubleshooting and Issue Resolution</strong>a. Identify and resolve hardware, software, and network problems.b. Respond to incidents and outages, including root cause analysis and reporting.c. Ensure minimal downtime by implementing failover solutions or redundancy mechanisms.</p>\n<p> </p>\n<p><strong>Keeping Systems Current</strong>a. Stay updated with the latest Linux technologies, industry trends, and security advisories.b. Test and apply latest kernel upgrades, system updates, and bug fixes without affecting production systems.c. Research and suggest cost-effective new tools and solutions.</p>\n<h2>Key Responsibilities</h2>\n<ul>\n <li>Administer and optimize RedHat Linux systems, OpenShift, VMWare, and Cloudera platforms including authentication, cluster management, user management, monitoring, performance and data management</li>\n <li>Implement and enforce security measures to meet NIST 800-53 standards</li>\n <li>Monitor system performance, troubleshoot issues, and perform regular maintenance</li>\n <li>Manage system updates, patches, and upgrades to ensure system integrity</li>\n <li>Develop and enforce backup and disaster recovery plans</li>\n <li>Provide support for system configurations, user management, and access control</li>\n <li>Document system configurations, procedures and updates</li>\n <li>Collaborate with IT teams to integrate and manage applications and services </li>\n</ul>\n<h2>Qualifications</h2>\n<p>• Bachelors Degree in Computer Science, IT, or a related field and four (4) years of relevant experience, • Associates Degree in Computer Science, IT, or a related field and six (6) years experience,• High School Degree and ten (10) years experience, or• Similar education / work experience via Buyer approval.</p>\n<p> </p>\n<p><strong>Active Top Secret or Q security clearance</strong></p>\n<p> </p>\n<p> </p>\n<p><strong>Preferred Certification(s)</strong>• CompTIA Linux+• Linux Professional Institute (LPI) (LPIC-1, LPIC-2, LPI-3)• Linux Foundation Certified System Administrator (LFCS)• Red Hat Certified System Administrator (RHCSA)• Red Hat Certified Engineer (RHCE)• Kubernetes Certifications (CKA, CKAD, CKS)</p>\n<p> </p>\n<p> </p>\n<p>Salary<strong>: </strong>100-120k</p>\n<h2>About IMG</h2>\n<p>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.</p>\n<p> </p>\n<p><strong>IMG Benefits:</strong></p>\n<ul>\n <li>Health, dental, vision, and life insurance</li>\n <li>Short term and long term disability insurance</li>\n <li>401(k) with generous company match</li>\n <li>Health Savings Accounts (HSA)</li>\n <li>Personal leave plus paid federal holidays</li>\n <li>Professional development and training assistance</li>\n</ul>\n<p><em>IMG is an equal opportunity employer including disability and protected veterans or other characteristics protected by law.</em></p>",
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