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Information Systems Security Engineer

ManTech

Norfolk, VAJobSeen 1 day agoSeen in employer's feed 1 day ago

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At a glance

Compensation
No compensation found
Location
Norfolk, VA
Work Authorization
US work authorization required

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Requirements

Credentials this posting asks for.

DISA ACAS CertificationCE/OS CertificationsSecret clearance

Job overview

ManTech seeks an Information Systems Security Engineer to support the Navy Continuous Training Environment program onsite in Norfolk, Virginia. The role focuses on assessing and mitigating security vulnerabilities, validating system-wide security requirements, designing and integrating security architectures and components, maintaining security documentation, and enforcing Government security authorization activities under the Risk Management Framework.

Skills & qualifications

RequiredNice to have

Skills

Security AssessmentsSystems Requirements AnalysisSystem Application DevelopmentSecurity DevelopmentUser SupportSecurity UpgradesSecurity PatchingApplication Vulnerability ManagementSystems DocumentationDIACAPRMFACASeMASSVMwareLinuxMicrosoft Windows 2022Government ISSE ExperienceDoD Environment

Qualifications

Bachelor's in Computer Science or Related Technical Field or Associate's Degree or High School Diploma5+ Years Information Systems Experience or 8+ Years With Associate's or 11+ Years With High School DiplomaDISA ACAS CertificationCE/OS CertificationsActive SEC+ CE CertificationMaster's in Computer Science or Related Technical FieldActive TS/SCI ClearanceUS CitizenshipActive Secret Security Clearance

Full job description

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer (ISSE) to join our team onsite in Norfolk, Virginia supporting the Navy Continuous Training Environment (NCTE) Program. This is position is onsite.

Responsibilities include, but are not limited to:

  • Perform, support, or review security assessments to identify vulnerabilities or non-compliance and recommend activities to mitigate or eliminate identified threats.

  • Validate, and verify complex system-wide security requirements based on analysis of user, policy, regulatory, and resource demands.

  • Design, develop, and deploy security system architectures to meet evolving customer needs.

  • Design, develop, implement and/or integrate security components including for networking, computing, and multi-enclave environments.

  • Assist in the development and implementation of security functionality in varied products and services across the enterprise environment.

  • Review, provide feedback, and help update and maintain project and program documentation which contain IS stipulations, such as system security plans (SSP), certification and accreditation (C&A) packages, and other system design artifacts.

  • Enforce compliance with security authorization activities in accordance with Government standards and the RMF.

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or other related technical field and 5+ years of relevant information systems experience, or an Associates degree and 8+ years of relevant information systems experience, or a High School Diploma and eleven 11+ years of information systems relevant experience in lieu of Bachelors degree.

  • Experience identifying and analyzing systems requirements

  • Experience developing and maintaining system applications and security

  • Experience providing user support and guidance

  • Experience recommending and implementing security upgrades, security patches, and new applications vulnerabilities for installed equipment

  • Experience ensuring proper documentation, coordination, and maintenance of multiple systems

  • Experience of DIACAP and RMF are required as well as ACAS experience and DISA ACAS certification

  • Experience with eMass

  • Computing Environment/Operating System (CE/OS) certifications (Preferably VMware, Linux and/or Microsoft Windows 2022)

Preferred Qualifications:

  • Relevant work experience as an ISSE within a U.S. Government environment, DoD strongly preferred.

  • Active SEC+ CE certification.

  • Master’s degree in computer science or related technical field.

  • Active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance.

Clearance Requirements:

  • US citizenship required an and active Secret security clearance

Physical Requirements:

  • Must be able to remain in a stationary position 50%

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

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

How this job compares

Set against the 4,055 open Security Engineer jobs on Olive Jobs, counted October 29, 2026.

Pay
  • This postingNot listed
  • Virginia median$125–194K/yr256 salary ranges
  • US median$60–72/hr79 hourly ranges
Openings
Olive Jobs lists 291 open Security Engineer jobs in Virginia and 4,055 across the US. 8% of them nationwide are listed as remote or flexible.
Hiring the most in Virginia
Experience
This posting asks for at least 5 years of experience; Security Engineer postings that state a minimum ask for 5 years at the median (3,500 postings).
Education
1,547 of the 4,055 open Security Engineer jobs (38%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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