Staff Systems Administrator - Military veterans preferred

ManTech (


  full-time   employee

United States

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement. 


Currently, ManTech is seeking a motivated, career and customer-oriented Staff System Administrator to join our team in the Chantilly, VA.

Responsibilities include, but are not limited to: 

  • Install/uninstall/configure computer systems to include internal and peripheral devices, memory chips, video cards, hard drives, printers, network interface cards, media converters, routers, switches, and other peripheral devices 

  • Maintain/troubleshoot customer Windows servers, workstations, both on-site and remotely. 

  • Perform Windows system administrative support to include adding and removing users, installing software, monitoring systems and assisting users on a daily basis 

  • Performing remote troubleshooting through diagnostic techniques and questions 

  • Determining the best solution based on the issue and details provided by customers 

  • Properly escalate unresolved tickets to the next level of support 

  • Track, route, and redirect problems to correct resources 

  • Learn fundamental operations of commonly used software and hardware equipment. 

  • Following standard operating procedures; accurately log all tickets using the defined tracking software 

  • Walking customers through problem solving process and follow up with customers to ensure proper incident closure 

  • Ensuring proper incident and request recording, documentation, and closure 

  • Day-to-day coordination and administration of tasks by ensuring quality and productivity standards are maintained while meeting customer schedules 

  • base configurations on switches, routers and PCs being prepared for deployment. 

  • Coordinate with Logistics in preparing and shipping equipment, confirm customer receipt of equipment, and validate logistics inventory.  

  • Ability to perform site surveys remotely and identify requirements for hardware and cabling requirements 

  • Other duties as assigned 


Basic Qualifications:

  • Requires Bachelor's degree in a STEM field or equivalent experience and 2+ years of relevant experience

  • DoD 8570 IAT Level 2 certification required (CCNA Security, GICSP, GSEC, Sec+, CND or SSCP)

  • DoD 8570 computing environment certification within 6 months of hire

  • Local and OCONUS travel up to 10%

  • Knowledge of Microsoft Windows 2016 Server and Windows 10 and Cisco Network routers and switches 

  • 2+ years experience with Microsoft Windows Systems, HP SANs, VMware products

  • 2+ years of experience designing and managing enterprise storage solutions, troubleshooting, replication configuration, and performance management; and have a general working knowledge of networking

  • Willingness to work after normal duty hours (nights and weekends) as needed during scheduled and unscheduled maintenance windows

Preferred Qualifications:

  • ITILv4 Foundations certification

  • HPE certifications

  • Excellent design, analytical and troubleshooting skills

  • Excellent maintenance organizational skills

Security Clearance Requirements:

  • Must possess an active TS/SCI eligibility clearance adjudicated within the past 6 years and be willing to receive CI poly

Physical Requirements: 

  • This is a sedentary position.

  • Must be able to remain in a stationary position 50%.

  • The person in this position needs to occasionally move about inside the office to access file cabinets, office equipment, etc. 

  • The person in this position must be able to lift at least 40 lbs. 

  • The person in this position frequently communicates with co-workers, management, and customers and must be able to exchange accurate information in these situations.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.