Demo

Tier 3 Service Desk/System Administrator

Absolute Business Solutions Corp
Bethesda, MD Full Time
POSTED ON 5/7/2026
AVAILABLE BEFORE 7/6/2026

Absolute Business Solutions Corp (ABSC) is not just another tech company. We’re a community of innovators, engineers, analysts and business professionals working together with our customers to tackle the most complex challenges. For more than 20 years we’ve supported critical Department of Defense (DoD), Intelligence Community (IC), Federal Civilian missions and global, multi-national corporations. We specialize in supporting our clients in the Intelligence, Technology, Defense, AI/ML, and Data Science fields. As we continue to grow at a rapid pace, we need some amazing new professionals to join our team.

ABSC has an exciting opening for you as our next Tier 3 Service Desk/System Administrator supporting DIA’s National Digital Exploitation and OSINT Center (NDOC) (formerly NMEC) under our 10-year DOMEX Technology Platform (DTP) contract. ABSC is looking for a highly skilled System Administrator with deep expertise in operating systems, hardware, GPU, and high-speed networking. In this role, you will leverage your expertise in Linux and Windows systems administration, systems maintenance, and performance optimization while providing exceptional user support services.

This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus (ICC-B).

Clearance Required for this role: Active Top Secret clearance with eligibility for TS/SCI and Polygraph

Requirements:

  • Bachelor’s or higher degree. Additional years of experience may be considered in lieu of a degree.
  • 4 years of relevant systems administration experience
  • Expertise in Linux systems administration (RHEL/CentOS, Ubuntu).
  • Experience with patching (yum/APT repositories) and virtual server builds.
  • Familiarity with Agile project management and security requirements derivation.
  • Strong scripting skills (Python, Bash).
  • Excellent verbal and written communication skills.
  • Ability to work independently and collaboratively in a team environment.
  • Experience working in air-gapped environments.
  • Ability to obtain Privileged User Account (PUA) certification by the Government

Desired Experience:

  • Experience with Kubernetes, Rancher, and IaC tools like AWS CloudFormation.
  • Familiarity with CI/CD tools such as ArgoCD, Jenkins, and GitLab.
  • Knowledge of ELK stack (Elasticsearch, Logstash, Kibana) and *beats.
  • Experience with Active Directory in a Linux environment.
  • Background in maintaining AI/ML environments and large data storage solutions.

Salary is commensurate with experience. An estimated salary range for this requisition is: $95k-$175k annual.

Who we are:
ABSC is a technology and services company that combines the agility of a small business with proven processes refined over more than two decades in business. We specialize in supporting public sector clients in the Intelligence, Defense, Health, and Safety areas. Our team stands ready to deliver the next generation of programs, personnel, and solutions to help advance our federal government customers’ driving innovation, agility, and security across all mission areas.

Some of our benefits include:

Generous weeks of PTO plus 11 Federal Holidays

Retirement Planning – 401k Fully Vested with Match

Annual Health and Wellness Allowance – buy an Apple Watch, a treadmill, or hit the gym on us

Career Development – Annual Funds to spend on Education and Training

Volunteer Time Off – Annually, all employees can spend 8 hours directly supporting a charity of choice

Charitable Match – ABSC matches an employee’s donation to a qualifying charity

Referral Program – We pay for internal and external referrals!

LOV Awards – Earn bonus awards throughout the year from our Living Our Values awards program

Apply to join our team today! We are always looking to grow our team - if you know someone who is seeking a new career opportunity, please share this job opening with them! ABSC offers generous external referral bonuses. You don’t need to be an employee to benefit from our Referral Program!

*ABSC is a proud V3, Virginia Values Vets, member which recognizes our commitment to hiring Veterans. If you are a veteran, please be sure to include that in your application. Thank you! *

Equal Opportunity Employer, including veterans and individuals with disabilities.

Salary : $95,000 - $175,000

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