General information
Requisition # R62897 Locations USA-VA-Norfolk Posting Date 08/28/2025 Security Clearance Required Secret Remote Type Onsite Time Type Full timeDescription & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer to join our team in Norfolk, VA. This is an onsite position.
Join the Navy's Continuous Training Environment (NCTE) program and contribute to the evolution of warfighter readiness. We provide critical engineering and technical expertise for the U.S. Navy's premier Live, Virtual, Constructive (LVC) training capability. Our work involves seamlessly integrating live training with synthetic systems to create highly realistic and complex global training environments. We also drive the development of advanced representations for joint, theater, and national systems, and model new weapons technologies and emerging threats, ensuring our forces are prepared for any challenge.
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 experience, OR Associates degree and 8+ years of relevant experience, OR High School Diploma and eleven 11+ years of relevant experience
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:
3+ years of 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 TS with SCI eligibility
Clearance Requirements:
Active Secret security clearance with the ability to obtain a TS/SCI
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 careers@mantech.com and provide your name and contact information.