> Markdown version of [/jobs/ext/1394508-linux-systems-engineer](https://www.wearedevelopers.com/jobs/ext/1394508-linux-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Systems Engineer - **Company:** Caci Inc - **Location:** Fort Meade, MD, United States - **Salary:** $120,800.0 - $265,800.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Application Firewall, Systems Engineering, Configuration Management, Dynamic Host Configuration Protocol, Linux, Disaster Recovery, Domain Name System (DNS), Monitoring of Systems, Virtual Private Networks (VPN), Lightweight Directory Access Protocols (LDAP), Linux System Administration, Network Architecture, Network Diagrams, Performance Tuning, Public Key Infrastructure, Red Hat Enterprise Linux, Virtual Machines, Virtualization Technology, Software Vulnerability Management, Backup and Restore, SSL Certificate Management, Enterprise Software Applications, System Availability, Infrastructure as Code (IaC), Containerization, Infrastructure Automation Frameworks, Information Technology, SolarWinds (Software), Patch Management, Splunk, Cisco, Vulnerability Analysis, Vmware - **Published:** July 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9014795/linux-systems-engineer ## About the Role * Active * Bachelor's degree in Information Technology, Computer Science, Engineering, or related field (additional relevant experience may be substituted for education) * supporting enterprise IT infrastructure in secure Linux environments * DoD 8570/8140 IAT Level II certification (Security+, CySA+, CCNA Security, or equivalent) Technical Requirements Candidates should possess strong experience in several of the following areas: * Administration and support of , , and firewalls, including security policy management, troubleshooting, and enterprise firewall administration. * Configuration, implementation, and maintenance of , secure VPN tunneling (including connectivity), and secure enterprise networking. * Administration of or comparable virtualization platforms, including virtual machine provisioning, maintenance, performance tuning, and lifecycle management. * Experience developing automation solutions using and/or , with hands-on implementation of and for infrastructure provisioning, configuration management, and operational efficiency. * Strong knowledge of enterprise server administration across Windows and Linux platforms, system hardening, patch management, and infrastructure support. * Experience performing , vulnerability remediation, STIG implementation, and maintaining compliance with DoD cybersecurity requirements. * Working knowledge of and processes and security initiatives. * Experience utilizing for vulnerability scanning, analysis, remediation, and continuous security monitoring. * Hands-on experience with hardware installation, , structured cabling, equipment deployment, and maintaining accurate infrastructure documentation and network diagrams. * Demonstrated ability to troubleshoot complex systems, networks, and security issues while supporting highly available enterprise environments. Preferred Qualifications Experience with one or more of the following is highly desirable: * Containerization technologies including and * Infrastructure as Code (IaC) and configuration management best practices * Enterprise monitoring and logging solutions (Splunk, Elastic, SolarWinds, etc.) * Active Directory, DNS, DHCP, PKI, LDAP, and certificate management * Disaster recovery, backup technologies, and high-availability architectures * Cisco (CCNA/CCNP), Palo Alto (PCNSA/PCNSE), VMware (VCP), Red Hat (RHCSA), or equivalent technical certifications ## Description We are seeking a highly skilled to support mission-critical enterprise infrastructure in a secure Department of Defense/Intelligence Community environment. The successful candidate will provide advanced systems administration, network infrastructure support, virtualization, automation, cybersecurity compliance, and enterprise systems maintenance while ensuring high availability, security, and operational readiness. This position requires an experienced systems engineer capable of working independently, troubleshooting complex infrastructure issues, implementing secure enterprise solutions, and supporting highly classified operational environments. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)