Senior Linux AWS Systems Administrator (TS/SCI w/ Polygraph)

MKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. Our commitment to excellence and our “Mission First” orientation has resulted in steady growth and an expanding client base across government agencies. We have employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran-owned companies in the nation. Please take a moment to browse through our website and learn more about what it means to serve with MKS2.

Job Title:
Linux System Administrator – TS/SCI w/ Polygraph Required (Either CI or FS are acceptable)

Location:
Aurora, CO (Onsite)

Schedule:
Full-time | 8:00 AM – 5:00 PM | Occasional after-hours and on-call support required | M2C2

What You Will Do

We are seeking a Linux System Administrator to support a classified program in a secure environment. In this role, you’ll be responsible for building, maintaining, and securing IT systems while enabling mission-critical capabilities.

You will work closely with developers and systems engineers to investigate and resolve issues, implement solutions, and ensure smooth operations across environments. This position requires the ability to lift up to 35 pounds for hardware installations and may involve occasional travel for installation support.

Qualifications You Must Have

• Education & Experience:

  • Bachelor’s degree with 5+ years of relevant experience OR

  • Master’s degree with 3+ years of experience

• Security Clearance:

  • Active TS/SCI with polygraph required on day one

  • U.S. Citizenship required

• Certifications:

  • Must have a DoD 8570 IAT Level II (or higher) certification

  • Acceptable certifications include: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, or CND

• Technical Experience:

  • Hands-on experience administering Red Hat Linux systems (patching, RPM, performance tuning, networking, LDAP, and hardening)

  • Deployment and management of systems in Amazon Web Services (AWS)

Qualifications We Prefer

• Experience with automation tools such as Terraform, Ansible, Chef

• Strong scripting skills in Bash and Python

• Experience managing Windows systems

• Familiarity with CI/CD pipelines using tools like Jenkins and Artifactory

• Ability to work independently and troubleshoot complex technical issues efficiently

Work Environment:
This is a full-time, onsite position in Aurora, CO. Candidates must be willing and able to support after-hours maintenance and participate in on-call rotation.

Clearance Requirement:
Applicants must hold an active TS/SCI clearance with polygraph. 

Diversity creates a healthier atmosphere: MKS2 Technologies is proud to be an Equal Employment Opportunity / Affirmative Action employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.