Linux Systems Administrator

Job Title: Systems Administrator

Job Type: Full-Time Exempt

Location: CO, FL, VA

Location Type: Onsite

Company Summary

Rampant Technologies is an independently owned defense contractor delivering specialized support to the most sensitive national security missions across the Department of Defense and the Intelligence Community. Guided by our philosophy of Securing, Enabling, and Executing our customers' critical missions, we bring together elite, cleared teams to solve the hardest technical challenges in intelligence analysis, signals processing, full-spectrum cyber operations, AI/ML and analytics, software engineering, and enterprise IT. We hire mission and technical specialists, prioritizing people over processes and quality over quantity, so that every engagement advances the mission and shapes the future of national security.

Job Summary

We are seeking a skilled Systems Engineer to support and advance our IT infrastructure, with a primary focus on RHEL-based Linux systems and a strategic transition to Kubernetes-based containerization. This role supports a dynamic R&D lab environment that integrates closely with the broader enterprise. The Systems Engineer will be responsible for maintaining, upgrading, and evolving both Linux and Kubernetes platforms, along with related infrastructure. You will also act as a technical advisor and liaison to lab leadership and project teams, helping bridge the gap between technical execution and strategic goals. Strong communication skills—both verbal and written—are essential for effectively engaging with both technical and non-technical stakeholders.

Required Skills

• Strong expertise in Red Hat Enterprise Linux (RHEL) environments with at least a foundational understanding of Kubernetes
• Extensive experience in installing, configuring, securing, maintaining, and troubleshooting large-scale physical and/or virtual Linux environments
• Advanced troubleshooting skills across Linux, as well as networking and storage technologies
• Proficient with infrastructure automation tools such as Puppet or Ansible
• Experience using version control systems, particularly Git and GitLab
• Proficient in scripting with Bash and/or Python
• Strong organizational skills with the ability to manage multiple projects and adapt to changing priorities in a dynamic environment
• Ability to clearly communicate business and technical needs to both technical and non-technical audiences
• Excellent oral communication skills, with the ability to engage effectively across all levels of a contract or project team
• Strong written communication skills, with the ability to produce clear, concise, and actionable documentation, including recommendations, technical assessments, and integration plans
• A self-starter with a proactive, strategic mindset
• Demonstrates professionalism, patience, and diplomacy in interactions with colleagues, customers, and partners

Desired Skills

• Experience in managing teams or direct reports on past projects or within previous organizations
• Knowledge of Information Assurance (IA) principles and organizational confidentiality requirements
• Experience with VMware administration
• Familiarity with GPFS/IBM ESS
• Exposure to cloud environments and architectures, particularly under Kubernetes orchestration
• General understanding of IP networking, including switching, subnets, and VLANs
• Basic knowledge of hardware infrastructure, including servers, blade chassis, fiber channel, and SANs

Education and Experience

• Bachelor's degree in Computer Science or a technical discipline is desired, with eight (8) years of relevant experience
• Five (5) years of relevant experience may be substituted for a bachelor's degree

Certifications and Credentials

• Active TS/SCI w/ Poly required
• IA certification; i.e. Security+ CE or greater

*All duties and responsibilities are not captured in this job description. To find out more, please reach out to the recruiter for this role.

Total Compensation

The salary range for this role is $120,000 - $200,000, depending on education and experience.

The salary range listed is a general guideline for this position. Final compensation will be based on factors such as role scope, experience, education, certifications, skills, geographic location, customer needs, contract requirements, and business considerations. Depending on the role and contract, employees may be eligible for additional compensation, including overtime, shift differentials, incentive pay, or discretionary bonuses.

For multi-location roles, the posted salary range may reflect a national or role-based range and may vary by location and contract requirements.

We are an employee-centric company that knows our mission success depends on our people feeling valued and supported. To back that up, Rampant offers a competitive, total compensation package designed for your total well-being which includes 100% employer-paid medical*, dental, and vision premiums, company HSA contributions**, a generous non-contributory 401(k) plan, flexible paid time off (PTO), yearly professional development stipend, and more.

*For certain HDHP medical plans; enhanced plans will be subject to employee cost sharing.

**If enrolled in an HSA-eligible plan. 

Corporate Commitment

We are proud to be an Equal Opportunity Employer (EEO). All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. Our organization is committed to maintaining a workplace free from discrimination, harassment, and retaliation in all employment practices, including recruitment, hiring, promotion, compensation, training, discipline, and termination.

We provide reasonable accommodation for qualified individuals with disabilities, in accordance with applicable law, unless doing so imposes an undue hardship on the organization.

We conduct comprehensive pre-employment background checks on all finalists as part of our commitment to maintaining a safe, secure, and compliant workplace. Any offer of employment is contingent upon the successful completion of these background screens, which may include verification of your employment history, educational credentials, professional references, criminal history, and relevant licensing. All checks are performed in strict accordance with federal, state, and local employment laws, including the Fair Credit Reporting Act (FCRA).

Candidate AI Usage Policy

AI is a part of our daily work at Rampant, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model

Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Rampant or customer facility.
• Hybrid: If this position is listed as hybrid, you will be expected to work from a Rampant office or customer facility frequently, in alignment with leadership expectations and the needs of the role.
• Onsite: If this position is listed as onsite, work will primarily be performed at a Rampant office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.