Systems Administrator L2​/L3 - TS​/SCI​/MD Poly

Technology Resource Experts, LLC is looking for an experienced Systems Administrator to join their rapidly growing team!

The Systems Administrator (L2/L3) is responsible for the maintenance, support, and optimization of the company's IT infrastructure. This role involves resolving complex technical issues escalated from the Level 1 support team, performing root cause analysis, and implementing advanced system enhancements. The ideal candidate will have strong troubleshooting abilities, a deep technical understanding of enterprise systems, and the ability to act as a subject matter expert for core infrastructure.

• Install, configure, and maintain server operating systems (e.g., Windows Server, Linux) in physical and virtual environments.
• Manage user accounts, security permissions, and access controls.
• Monitor system performance and ensure the availability, integrity, and security of all hardware, server resources, and key processes.
• Administer core services, such as Active Directory, Group Policy, DNS, and DHCP.
• Implement and manage system backup and recovery strategies to ensure data protection.
• Develop and maintain scripts (e.g., Power Shell, Bash) to automate repetitive tasks and improve system efficiency.
• Manage system patching and updates to maintain security and compliance.

• An active TS/SCI with MD polygraph is required. Last Poly within past 7 years.
• Proven experience as an L2/L3 Systems Administrator in an enterprise environment.
• Expert knowledge of enterprise operating systems, such as Windows Server and/or Linux.
• Strong understanding of networking concepts, including TCP/IP, DNS, and firewalls.
• Experience with virtualization platforms like VMware or Hyper‑V.
• Proficiency in scripting languages for automation.
• Excellent problem‑solving, analytical, and troubleshooting skills.
• Effective communication and interpersonal skills for collaboration with team members and vendors.
• Level 2:
  • BS + 10 years experience
• Level 3:
  • BS + 15 years experience

Our focus is on people first. We offer comprehensive and flexible compensation packages that match the best the industry has to offer and can be customized to fit your needs.

• 100% company‑paid health
  , dental
  , and vision premiums
• Automatic company contributed Health Savings Account (HSA) up to $3,200 for families
• Up to 7 weeks of Paid Time Off (PTO)
• Automatic 401k Investment
• Paid 11 Federal Holidays
• Blue Cross Blue Shield Health Insurance
• Tuition/Training Reimbursement
• Access to Ravens season tickets in club level
• Company‑paid golf events for your time and course fees

If you didn't find the perfect fit among our openings, feel free to reach out to  or submit your application here.

We're always looking for exceptional talent and would be delighted to notify you about new opportunities.

Curious to learn more about our company? Explore our website, connect with us on Facebook, or follow us on Linked In today!

Technology Resource Experts provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, pregnancy, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

The projected compensation range for this position is $150K - $225K. There are differentiating factors that can impact the final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories. In addition, Technology Resource Experts, LLC invests in its employees beyond just compensation.

Trexperts benefits offerings include, dependent upon position, Health Insurance, Dental and Vision Coverage, Health Savings Account (HSA), Paid Time Off, Holiday Pay, Short Term and Long Term Disability, Life Insurance, 401(k) Plan, Safe Harbor 401k Investment, Learning and Development opportunities, Referral Bonuses and Flex Time.