General information

Requisition # R61738 Locations USA-VA-Reston, USA-VA-Chantilly, USA-VA-Arlington, USA-MD-Fort Meade, USA-DC-Washington Posting Date 07/14/2025 Security Clearance Required Secret Remote Type Hybrid Time Type Full time

Description & Requirements

Transform the future of federal services with ManTech! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with ManTech!

ManTech seeks a motivated, career and customer-oriented Systems Administrator to join our team in the National Capital Region (NCR). This is a hybrid position.

As a Systems Administrator, this individual will manage and maintain the essential IT infrastructure that supports government desktop services. The individual provides daily operational availability of hardware and software systems to support facility operation for a complex computer system. Their work will ensure the stability, security, and optimal performance of systems critical for federal agency operations.

Responsibilities include but are not limited to:

Install, configure, and maintain operating systems, servers, and network devices supporting government desktop services.
Monitor system and network performance, ensuring high availability and optimal functioning.
Implement security measures, patches, and updates to protect government IT infrastructure.
Provide advanced troubleshooting for system and network issues, resolving incidents efficiently.
Maintain accurate documentation of system configurations, network diagrams, and operational procedures.
Performs scheduled testing and review of hardware and software, documenting all hardware and/or software adjustments and/or modifications as changes are affected, preparing, providing, and briefing reports and analysis of operations as required.

Minimum Qualifications:

Bachelor's Degree in relevant field.
3+ years of experience administering Windows Server and/or Linux environments.
Strong understanding of IT security best practices and compliance for government systems.
Relevant certifications (e.g., MCSA, CCNA, CompTIA Server+).

Preferred Qualifications:

Proficiency with networking concepts (TCP/IP, DNS, DHCP) and network hardware.
Familiarity with virtualization technologies (e.g., VMware, Hyper-V).
Strong understanding of IT Service Management (ITSM).

Clearance Requirements:

Must have an active Secret Clearance
Must be able to obtain a DHS Suitability

Physical Requirements:

The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

The projected compensation range for this position is $75,700.00-$126,300.00. There are differentiating factors that can impact a 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 (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, ManTech invests in its employees beyond just compensation. ManTech’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

ManTech International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with ManTech, please email us at careers@mantech.com and provide your name and contact information.