1,841,255open jobs
108,049companies
261,167added this week
Browse all
Salary
≈ $45k – $93k per year (Estimated)
Location
In office (Saint Louis)
Seniority
Junior · 2+ years exp

Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 17, 2026. ManTech scores A on the Alion truth index.

Overview
Company
Impact
Profile match
ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.

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 Technical Surveillance Countermeasures (TSCM) Practitioner to join our team in St. Louis, MO.

The Technical Surveillance Countermeasures (TSCM) Practitioner will leverage their strong technical background and knowledge to support technical security operations, providing comprehensive technical advice, guidance, and specialized risk assessments to ensure the security of facilities and systems.

Responsibilities include but are not limited to:

  • Leading and executing Technical Surveillance Countermeasures (TSCM), Foreign Visit, Gift Inspection, and Digital Counterexploitation activities.
  • Ensuring all operations, reporting, and training comply with national and agency-level policies, TSCM programs, and modernization goals.
  • Preparing specialized technical risk assessments, TSCM reports of inquiry, tailored briefings, and technical security plans.
  • Conducting in-depth analysis of complex physical and technical security issues to ensure compliance with ICD 705 and DoD standards.
  • Performing Radio Frequency (RF) signal of interest searches and assessing identified signals during surveys and IPMS operations.
  • Evaluating electronic processing equipment for security vulnerabilities and recommending cost-effective corrective actions.
  • Preparing all required correspondence, briefing materials, and after-action reports in accordance with program guidelines.

Minimum Qualifications:

  • High School Diploma/GED with 2+ years of progressively responsible experience in technical security and/or technical document writing/editing.
  • Must possess an Interagency Training Center (ITC) TSCM Certification.
  • Ability to complete 40 hours of discipline-specific development or refresher training every fiscal year in accordance with National and DoD standards.
  • Shall meet minimum training requirements, within one calendar year of assignment, for access to DoD networks in accordance with DoDD 8140.01, by attaining and maintaining at least baseline certification for DoD 8570.01-M Information Assurance Technician Level II (IAT2) compliance.

Preferred Qualifications :

  • Certified Information Systems Security Professional (CISSP) or equivalent technical certification.
  • Bachelor’s or Post-graduate degree in Computer Science, Engineering, or a related technical discipline.
  • Experience with telephone security requirements and Telephone Security Group (TSG) standards.
  • Credentialed graduate of an accredited federal or DoD CI training academy such as the FBI Academy.
  • Self-starter with excellent people skills able to work across teams and drive change throughout an organization.
  • Experience conducting technical evaluations and identifying security deficiencies in complex environments
  • Experience in generating comprehensive technical risk assessment products and specialized reports
  • Experience in writing and editing technical documents

Clearance Requirements:

  • An active TS/SCI with the ability to obtain and maintain a polygraph.

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time.
  • This individual needs to occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers.
  • This role frequently communicates with co-workers, management, and customers, which may involve delivering presentations. The candidate must be able to exchange accurate information in these situations.

MANTECH 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 [email protected] and provide your name and contact information.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,841,255 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Operations
Similar stack
Same company
Saint Louis
≈ $55k – $114k per year (Estimated) • In office • Full-Time • 1+ year exp • Seattle
Apply
≈ $52k – $108k per year (Estimated) • In office • Full-Time • 1+ year exp • High School Diploma • Westampton
Apply
≈ $69k – $143k per year (Estimated) • In office • 2+ years exp • Bachelor's Degree • San Francisco
Management
Outlook
Microsoft Office
Apply
≈ $38k – $79k per year (Estimated) • In office • Full-Time • 1+ year exp • High School Diploma • Columbus
Management
Outlook
Microsoft Office
Apply
≈ $40k – $84k per year (Estimated) • In office • Full-Time • 2+ years exp • Bachelor's Degree • Cherry Hill
Analytics
Power BI
Microsoft Excel
Apply
$79k – $133k per year • In office • Secret • 5+ years exp • Bachelor's Degree • Chesapeake
Apply
$115k – $190k per year • In office • TS/SCI • 4+ years exp • Bachelor's Degree • Stafford
Python
SQL
MATLAB
SAS
SPSS
Apply
$135k – $240k per year • In office • Secret • 15+ years exp • Bachelor's Degree • Halawa
Apply
$88k – $146k per year • In office • TS/SCI • 5+ years exp • Bachelor's Degree • Chantilly
Management
Microsoft Office
Apply
≈ $79k – $155k per year (Estimated) • In office • TS/SCI • 5+ years exp • Honolulu
Apply
$42k per year • In office • Secret • 1+ year exp • High School Diploma • Saint Louis
Management
Agile
Apply
≈ $64k – $117k per year (Estimated) • In office • Full-Time • 2+ years exp • Associate's Degree • Saint Louis
SQL
DevOps
TCP/IP
Apply
$40k – $48k per year • In office • Full-Time • 2+ years exp • High School Diploma • Saint Louis
Apply
≈ $55k – $117k per year (Estimated) • In office • Full-Time • 6+ years exp • Bachelor's Degree • Saint Louis • Kansas City
Apply
≈ $41k – $89k per year (Estimated) • In office • Full-Time • Saint Louis
Apply
See all jobs
This is one of many
1,841,255 more open roles from verified company boards, updated every day.