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General information

Requisition #
R55704
Locations
USA-MD-Annapolis Junction
Posting Date
10/17/2024
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

ManTech is seeking a motivated, career and customer-oriented System Administrator Level 3, with the focus of Cisco Networks, to join our team in Annapolis Junction, MD.

Responsibilities: Include but are not limited to:

  • Proficient on Windows 10 and Windows 11
  • Must maintain and upgrade networks, including routers and switches.
  • Must have experience with sub netting, IP schemes, basic network troubleshooting and Webex remote.
  • Must have experience with PuTTy and Remote Desktop Protocol (RDP)
  • Must understand how to use the Trellix virus protection tool.
  • Must provide support and troubleshooting for PC and laptops.
  • Must set up and maintain conference room equipment.
  • Must be willing to perform labor work with equipment, printer and desk moves.
  • Proficiency with annual equipment refresh procedures.
  • Proficient with excessing obsolete computers and laptops

 Minimum Qualifications:

  • Fifteen (15) years experience as a SA in programs and contracts of similar scope, type and complexity is required.
  • Bachelor’s degree in a technical discipline from an accredited college or university is required.  
  • Five (5) years of additional SA experience may be substituted for a bachelor’s degree.

Preferred Qualifications:

• Familiarity Office 365 Suite applications

Clearance Requirements:

  • Must have a current/active TS/SCI w/ Polygraph.
  • Must be a US Citizen

Physical Requirements:

  • The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.  The person in this position must be able to remain in a stationary position 50% of the time. Must 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 $102,700.00-$170,800.00. 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 it’s 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, 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. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.