Information System Security Manager – Engineer Info Assurance 3

Mission Technologies, a division of HII

Information System Security Manager managing security documentation and compliance for classified Information Systems. Collaborating with government agencies and ensuring adherence to security standards.

Posted 5/29/2026full-timeAlexandria • Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $104,733 - $160,000 per yearWebsite

Tech Stack

Tools & technologies

Linux

About the role

Key responsibilities & impact

Work closely with various Government Agencies and Offices to generate and maintain security documentation to include System Security Plans, Risk Assessment Reports, Privileged/General User Guides, and Plan of Action and Milestones (POA&M) for classified Information Systems
Accept responsibility for the certification and accreditation of classified Information System networks and ensure auditing requirements are complete in accordance with appropriate guidelines & requirements
Manage changes to system and assess the security impact of those changes
Ensure all system security procedures are being followed include maintaining and reviewing software security patching and audit files in accordance with various customer requirements
Maintain responsibility for Information System media control, anti-virus definition updates, hardware and software control for secure operating environments, Information Security briefings, education and training
Perform periodic self-inspections of the overall Information System program and ensure compliance with various Government regulations
Conduct and coordinates investigations into security violations related to the Information System program; ensures corrective actions are appropriately implemented

Requirements

What you’ll need

5 years relevant experience with Bachelors in related field
3 years relevant experience with Masters in related field
0 years experience with PhD or Juris Doctorate in related field
High School Diploma or equivalent and 9 years relevant experience
Knowledge across all aspects of Security
Operating knowledge of Windows/Linux operating systems
5+ years’ experience administering security responsibilities
Experience with RMF, NIST 800-53, CNSSI 1253, and NISPOM is required
Strong communication and problem-solving skills
Ability to work in both a team environment as well as independently
Must be organized and detail orientated
Security+ certification with a preference of CISSP

Benefits

Comp & perks

best-in-class medical, dental and vision plan choices
wellness resources
employee assistance programs
Savings Plan Options (401(k))
financial planning tools
life insurance
employee discounts
paid holidays and paid time off
tuition reimbursement
early childhood and post-secondary education scholarships

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

security documentationSystem Security PlansRisk Assessment ReportsPlan of Action and Milestonessecurity patchingself-inspectionssecurity violations investigationWindows operating systemLinux operating systemsecurity responsibilities administration

Soft Skills

communicationproblem-solvingteamworkindependenceorganizationdetail orientation

Certifications

Security+CISSP