Jobs and Careers
MA
Senior Information Systems Engineer
ManTechWashington, United Statesfull_timeVerifiedPosted 21 May 2026
💰 $190,200/yr($114,600/yr – $190,200/yr)
About the role
General information
Requisition #
R67812
Locations
USA-DC-Washington
Posting Date
05/20/2026
Security Clearance Required
TS/SCI
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 Senior Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA.
Responsibilities include, but are not limited to:
- Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements
- Design security architectures for use within the IS and Network Environment. Design and develop cybersecurity-enabled products for use within an IS and Network Environment
- Integrate and/or implement security with Cross Domain Solutions (CDS) for use within an IS and Network Environment
- Develop and implement security designs for new or existing network system(s). Ensure that the design of hardware, operating systems, and software applications adequately address cybersecurity requirements for the IS and Network Environment
- Design, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication, and non-repudiation. Design, develop, and implement specific cybersecurity countermeasures for the IS and Network Environment
- Develop interface specifications for the IS and Network Environment. Develop approaches to mitigate IS and Network Environment vulnerabilities and recommend changes to network or network system components as needed
- Ensure that network system(s) designs support the incorporation of FBI directed cybersecurity vulnerability solutions
Minimum Qualifications:
- Must meet one of the following levels of experience: A high school diploma/GED and 14 years’ experience, an Associate’s degree and 10 years’ experience, a Bachelors degree and 8 years’ experience, or a Master’s and 6 years’ experience.
- Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP)
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