Linux Systems Engineer (2026-0243)

We are hiring a Linux Systems Engineer w/ TS/SCI clearance and polygraph to join our Engineering Services and Solutions Division, working in Laurel, MD. The Systems Engineer will be responsible for administering, maintaining, and securing Linux-based enterprise environments (Rocky Linux, Red Hat Enterprise Linux RHEL) supporting mission-critical operational, development, and test systems.

This role focuses on Linux systems administration, configuration management, virtualization, system security, automation, and operational sustainment while supporting hardware deployments, software upgrades, troubleshooting, testing, and customer-facing operations across multiple environments. Should have familiarity with Cisco networking equipment, Net.

App NAS storage environment, experience writing and maintaining test cases, test procedures, test plans, and test reports, and familiarity developing Splunk dashboards and supporting Splunk workflows. Must have fourteen (14) years’ experience as a systems engineer in programs and contracts of similar scope, type and complexity is required.

Bachelor’s degree in system engineering, computer science, information systems, engineering science, engineering management, or related discipline from an accredited college or university is required. Five (5) years of additional SE experience may be substituted for a bachelor’s degree. IAT Level I certification preferred upon start, required within 90 days of start date.

Salary range for this position is $200,000 - $220,000 ABOUT Acclaim Technical Services (ATS) , founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an uncommon advantage in our sector—we foster a culture of ownership, accountability, and shared success.

This commitment to our people shows: ATS is consistently recognized as a top workplace in the DC area and continues to experience strong, strategic growth. SALARY TRANSPARANCY There are many factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

Our employee owners value the flexibility at ATS that allows them to balance quality work and their personal lives. We offer competitive compensation, career growth, benefits and learning and development opportunities. Our broad mix of exceptional benefits options is designed to support and protect employees and their families.

At ATS, you will be eligible to participate in a comprehensive benefits package such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more at Employee Resources EQUAL EMPLOYMENT OPPORTUNITY (EEO) STATEMENT ATS is committed to a program of equal employment opportunity without regard to race, color, ethnicity, national origin, ancestry, citizenship, sex, pregnancy, marital status, sexual orientation, age, religion/creed, hairstyles and hair textures, handicap/disability, genetic information/history, military/veteran status, or any other characteristic or condition protected by applicable law.

We support the employment and advancement in employment of individuals with disabilities and of protected veterans, and we treat qualified individuals without discrimination on the basis of their physical or mental disability or veteran status.