Information Systems Security Engineer

Mission Technologies, a division of HII

Information Systems Security Engineer with HII’s Mission Technologies Division analyzing cybersecurity to safeguard national defense. Responsibilities include system protection needs assessment and developing security architectures.

Posted 6/22/2026full-timeSpringfield • Virginia • 🇺🇸 United StatesSeniorLead💰 $104,734 - $165,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityTypeScript

About the role

Key responsibilities & impact

Discovering system protection needs by assessing mission impacts, identifying relevant threats, determining required security services, evaluating applicable constraints, and documenting system protection requirements
Define system security requirements by developing the system security context, contributing to concepts of operations, and establishing security requirement baselines that align with organizational and regulatory expectations
Design system security architectures and develop detailed security designs to ensure effective integration of cybersecurity controls into system components, interfaces, and workflows
Assess the effectiveness of implemented protections and recommend improvements based on technical evaluations and risk findings
Evaluate COTS and GOTS technologies—including systems, applications, and services—to determine their suitability in meeting the organization’s INFOSEC and cybersecurity needs

Requirements

What you’ll need

7+ years with Bachelor's Degree and progressive responsiblility with hands-on experience as an information systems security professional
Demonstrated proficiency and expertise in implementing and facilitating the NIST Risk Management Framework (RMF) within the DoD/IC
Applying secure configuration concepts, protocols, and security methodologies to local and Enterprise systems
Developing and implementing organizational-level cybersecurity programs, such as continuous monitoring, vulnerability managements, or incident response
Capturing, analyzing, and decomposing cybersecurity requirements applicable to information systems and developing solutions to address those requirements
Securing and evaluating information systems for compliance with DISA STIGs
Excellent initiative, motivation, problem-solving, and analytical skills with the ability to work independently and as part of a team
TS/SCI clearance required with ability to obtain a CI Poly
Must meet DoD 8140/CSWF for 652-Intermedediate or be willing to obtain the appropriate credential within 6 months

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

NIST Risk Management Frameworkcybersecurity controlssecure configurationvulnerability managementincident responseDISA STIGscybersecurity requirements analysissystem security architectureCOTS technologiesGOTS technologies

Soft Skills

initiativemotivationproblem-solvinganalytical skillsteamworkindependence

Certifications

TS/SCI clearanceDoD 8140/CSWF