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General information

Requisition #
R60426
Locations
USA-VA-Mclean
Posting Date
05/13/2025
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

ManTech seeks a motivated, career and customer-oriented Lead Telephony Technician to join our team in McLean, VA. In this role you will lead a team for the installation, maintenance, and support of telecommunications systems, including VoIP and legacy phone systems.

Responsibilities include, but are not limited to:

  • Leading a team of telephony technicians providing coverage from 6:00 a.m. – 6:00 p.m.  Supporting 24x7 operations; may need to work extended hours during critical peaks and be available to meet last minute requests.

  • Supporting all facets of phone installations and troubleshooting a variety of telephones.

  • Installing, pulling, terminating, and dressing cabling appropriately according to industry and Sponsor standards.

  • Troubleshoot and repair faulty connections, dropped calls, or hardware issues

  • Configure call routing, voicemail, extensions, and phone features.

  • Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.

  • Performing HR duties as assigned, including but not limited to: interviewing, hiring, career enablement, performance counseling, compensation planning, and requisition creation.

  • Lending expertise and institutional knowledge to improve the overall excellence of the team by supporting the creation of Knowledge Articles, Work Instructions and SOPs.

  • Supports customer Key Performance Indicators (KPI) required of the program.

Minimum Qualifications:

  • Bachelor’s Degree and 7+ years of experiences, or a combination of education and work experience equivalent to 11+ years.

  • Excellent knowledge of various cabling methodologies, industry standards, troubleshooting techniques, and reading/understanding cable run lists.

  • Experience with installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.

  • Experience resolving technical problems and answering queries by that involve computer hardware, network, and telecommunications systems.

  • Demonstrated ability managing teams with a diverse range of skillsets in direct support to customer.

Preferred Qualifications:

  • Related work experience in IT hardware and cabling installation.

  • Experience with implementation on the Sponsor's network LAN infrastructure.

  • Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.

  • Strong communication skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. 

Clearance Requirements:

  • Must have a current/active TS/SCI with Polygraph.

Physical Requirements:

  • Must be able to remain in a stationary position at least 25% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.

  • Must be able to move/traverse within and between buildings and offices majority of the time, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.

  • Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.


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.