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General information

Requisition #
R52860
Locations
USA-DC-Washington
Posting Date
10/07/2024
Security Clearance Required
Public Trust/Suitability
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International, you’ll 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 Service Desk Specialist Journeyman- Tier 3 to join our team in Washington, DC. This position typically supports a shift from either 7:00am - 3:30pm or 9:30am - 6:00pm.

Responsibilities include but are not limited to:

  • Responsible for providing support to end-user community on hardware, software and network related problems, questions, and use.
  • Provides resolutions to out of the ordinary issues for users. If unable to diagnose problem, will work with Help Desk Management to diagnose and resolve problem.
  • Responds to tier two and higher trouble tickets.
  • Ensures problem ownership and promotes end-user satisfaction.
  • Closes activities of tickets assigned.
  • Provide mentorship and technical guidance and training to junior Tier 3 staff.
  • Manage, troubleshoot, and resolve issues with printers, desktops, laptops, MS Surface Hubs, and Avocor collaboration tools.
  • Deploy system patches to resolve vulnerabilities within required time periods.
  • Create and update workstation OS images.
  • Implement and maintain group policy and STIGs for enterprise endpoints.
  • Provide technical guidance and knowledge base articles / content to Tier 1 and Tier 2 teams

Basic Qualifications:

  • A bachelor’s degree (in Computer Science or related field) or equivalent
  • A minimum of two (2) years of related experience in computer hardware, software, networking systems, and in the set-up, configuration, use, and troubleshooting of computer systems.
  • Demonstrated experience resolving complex issues with printers, desktops, laptops, and other enterprise hardware.
  • Demonstrated experience managing, testing, and deploying security patches and COTS software updates.
  • Demonstrated experience managing, testing, and implementing group policy and STIGs.

Preferred Qualifications:

  • Proficient with ServiceNow

Clearance Requirements:

  • Must be a U.S. citizen
  • Must be able to obtain a Public Trust

Physical Requirements:

  • Must be able to be in a stationary position more than 50% of the time 
  • Must be able to communicate, converse, and exchange information with peers and senior personnel 
  • Constantly operates a computer and other office productivity machinery, such as a computer 
  • The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations 
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.


The projected compensation range for this position is $57,200.00-$94,600.00. 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.