Information System Security Engineer
Company: ManTech International
Location: Chantilly
Posted on: March 14, 2026
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Job Description:
At ManTech, we are dedicated to enhancing the security and
integrity of our nation's technological frameworks. As an
Information System Security Engineer, you will play a pivotal role
in safeguarding our digital infrastructure, supporting vital
national security programs. Working in a highly dynamic and
technologically sophisticated environment, you will implement,
manage, and monitor security measures for the protection of
computer systems, networks, and information. This role involves
assessing system vulnerabilities, developing mitigation strategies,
and collaborating with cross-functional teams to ensure robust
security protocols. Assess and define system security requirements.
Design, implement and manage security architectures for software
and hardware systems. Identify, analyze, and mitigate
vulnerabilities in the systems. Conduct security system testing and
continuous monitoring. Coordinate with defense agencies to
implement secure systems. Develop technical solutions to prevent
security breaches. Prepare and maintain security documentation.
Proficient in firewalls, VPN, data loss prevention, IDS/IPS,
web-proxy, and security audits. Advanced knowledge of network
security architectures, assessments, procedures, and protocols.
Skill in the troubleshooting and problem-solving in complex IT
systems. Familiarity with federal information security policies,
standards, procedures, directives, and frameworks. Medical
Insurance Dental Insurance Vision Insurance Life Insurance 401k
Certified Information System Security Professional (CISSP)
Certified Information Security Manager (CISM) Cisco Certified
Network Associate Security (CCNA Security)
Keywords: ManTech International, Bel Air South , Information System Security Engineer, IT / Software / Systems , Chantilly, Maryland
