Senior Linux Engineer
Listed on 2026-09-09
-
IT/Tech
Systems Engineer, Unix/Linux, Systems Administrator, Cybersecurity
Job Title:
Senior Linux Engineer
Job Category:
Information Technology
Time Type:
Full time
Minimum Clearance Required to Start:
Secret
Employee Type:
Regular
Percentage of
Travel Required:
Up to 10%
Type of Travel:
Continental US
* * *
The Opportunity:CACI’s EITaaS Program is a Department of the Air Force initiative, which includes the Air Force and Space Force. EITaaS will transform the Dept. of the Air Force IT services from an in-house, base-centric delivery model to an advanced enterprise service delivery model. CACI will provide an enhanced IT management system, IT storefront, enterprise help desk, local field services, and life cycle support for end-user devices.
CACI’s innovative approach to enterprise technology infuses contemporary technologies with industry best practices to deliver commercial-style services that will improve customer experience and productivity for the Dept. of the Air Force’s global workforce. CACI and its partners will equip Airmen and Guardians with state-of-the-art services and automated capabilities that enable access to the tools they need to perform their mission efficiently and effectively when they need it, where they need it.
This position is hybrid, with onsite work expected in Chantilly, VA.
Responsibilities: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
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 Alma Linux 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…
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