ManTech Network/Systems Administrator III in Bolling, District Of Columbia

Network/System Administrator III

The primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. The position will provide “day-to-day support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Performance shall include:

• Install, maintain, audit and support a secure MS Windows network environment and limited web/data application service

• Maintain internet applications and protocols IP,TCP,HTTP, HTTPS, FTP, & SSL

• Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required

• Interface with local customers and provide IT related support to quickly resolve problems

• Analyze and troubleshoot system anomalies to ensure optimum equipment performance

• Perform periodic maintenance, hardware upgrades and replacement, firmware updates and system configuration changes

• Perform scheduled tape backups on systems as required

• Manage data backup library to include storage of tapes, disks and other magnetic media at the customer s location and off-site storage facilities as required

• Attend planning and requirements meetings with IT staff, Program Managers and customers as required

• Prepare system for operational use and support operational tests

• Provide technical guidance

• Provide leadership, mentoring, and quality assurance for Team Members


• 5 - 7 years related experience


• Bachelor s degree in a related area or equivalent experience (4 years)


• Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 within 6 months of the date of hire

Security Clearance:

• Current Top Secret Clearance with SCI Eligibility

• Eligibility for access to Special Access Program Information

• Willingness to submit to a Counterintelligence polygraph

Other Requirements:

• Thorough knowledge of Microsoft Windows 2008 R2/2012 R2 Server, Microsoft Exchange Server 2003/2010, Microsoft Windows 7/10 operating systems (OS) administration and associated hardware

• Working knowledge of CISCO network and switching and virtualization technologies

• Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies to include communication security (COMSEC) integration.

• Working knowledge of Risk Management Framework, and, Common Criteria, and System Security Policy as they relate to A&A

• Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross domain solutions is a plus

• Must be familiar with security policy/manuals and other guiding policy documents

• Ability to work in a dynamic environment and effectively interact with numerous DOD, military/civilian personnel and industry partners

• Working knowledge of Microsoft Office (Word, PowerPoint, and Excel)

• Possess a high degree of originality, creativity, initiative requiring minimal supervision

• Requires travel within the organizational geographic Area of Responsibility (AOR) (note - could be extensive, and will include both air and ground transportation)

• Must be able to lift up to 50 lbs.


Requires Bachelor s degree (in Computer Science or related field) or equivalent, and five to seven years of related experience.


Equivalent Experience/Education, Bachelor's Degree

Years of Experience

11-13 years w/High School Diploma, 05-07 years w/Bachelors Degree, 02-04 years w/Masters Degree

Position Type





ManTech International Corporation is comprised of approximately 7,300 talented employees who use advanced technology to help government and industry meet some of their greatest challenges around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than four decades ago, aligning squarely with the mission objectives of our customers. As our customer base continues to expand and diversify, we continue to diversify our workforce and solutions. Nearly half our employees have a military background, and approximately 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, health, space, and intelligence communities; we hold nearly 1,100 active contracts with more than 50 different government agencies.

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 Waretime 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.

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