> Markdown version of [/jobs/ext/2298790-senior-linux-engineer](https://www.wearedevelopers.com/jobs/ext/2298790-senior-linux-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). --- # Senior Linux Engineer - **Company:** Caci Inc - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $103,800.0 - $218,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Automation of Tests, Microsoft Azure, Bash Shell, Ubuntu (Operating System), CentOS, Cloud Computing, Cyber Security, System Configuration, Data Integrity, Linux, Disaster Recovery, Perl (Programming Language), Hyper-V, Python (Programming Language), Kernel-Based Virtual Machine, Network Troubleshooting, Linux System Administration, Windows Servers, Network Protocols, Performance Tuning, Red Hat Enterprise Linux, Ansible, Shell Script, System Testing, Systems Integration, Virtualization Technology, Backup and Restore, Containerization, Kubernetes, Infrastructure Automation Frameworks, Puppet, Docker, Programming Languages - **Published:** August 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9127834/senior-linux-engineer ## About the Role Required: * US Citizenship required. * Active DoD Secret clearance * 12+ Years of relevant experience (Bachelor's Degree in applicable field may be substituted for 5 years of experience). * Security+ CE Certification (or other IAT Level II or III Certification) at a minimum; Red Hat Certified Engineer (RHCE), or Linux Professional Institute Certification (LPIC-3) * Demonstrated experience with systems administration in Linux environments (RHCE equivalence) or Windows Server environments (MS Security Engineer/Solution Architect equivalence). * Demonstrated hands-on experience installing, configuring, securing, integrating, upgrading and troubleshooting SE Linux/CentOS (prefer some hands-on experience with AlmaLinux or Rocky Linux too) - preferably in VM environments. Desired: * Experience with installing/configuring/troubleshooting Security tools (i.e., Windows, Azure, Linux) beyond default settings meeting highest level government standards relating to data, applications, OS, networking, infrastructure, etc. * Strong knowledge of enterprise Linux distributions (e.g., RHEL, CentOS, Ubuntu) * Proficiency in shell scripting (Bash) and at least one programming language (e.g., Python, Perl) * Experience with configuration management tools (e.g., Ansible, Puppet, Chef) * Knowledge of virtualization and cloud technologies (e.g., Hyper-V, KVM, AWS, Azure) * Understanding of networking protocols and services * Familiarity with containerization and orchestration (e.g., Docker, Kubernetes) * Experience with monitoring and logging systems * Strong problem-solving and analytical skills ## Description * Provide analysis, design, development, and integration of hardware, software, and all system level requirements and functional objectives to provide an integrated EIT solution. * Develops integrated system test requirements, strategies, devices, and systems. Ensures highest level of Cyber Security while balancing user needs. Initiates (does not wait for others) and identifies key areas of improvement relating to anything Systems related. * Install new software releases, system upgrades, evaluating and installing patches and resolve software related problems. * Perform system backups and recovery. * Maintain data files and monitors system configuration to ensure data integrity. * Possesses and applies expertise across key tasks and high impact assignments. * Plans and leads major assignments. * Responsible for designing, implementing, and managing complex Linux-based systems and infrastructure. * May mentor or task lead others. * Design and implement large-scale Linux infrastructure solutions * Manage and optimize existing Linux environments * Develop and maintain automation scripts and tools * Troubleshoot complex system and network issues * Implement security best practices and ensure compliance * Mentor junior team members and provide technical leadership * Collaborate with other IT teams on cross-functional projects * Evaluate and recommend new technologies and solutions * Participate in capacity planning and performance tuning * Manage disaster recovery and business continuity plans ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Automate everything via NodeJS and Puppeteer](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)