Senior Cybersecurity Engineer

gdit; Springfield (VA); On-site; USD 164,000 - 209,000; Full time

Job summary

GDIT in Springfield, VA is seeking a Senior Cybersecurity Engineer to own mission-critical DoW cybersecurity programs, lead security design, risk assessments, and RMF authorization strategies across high-impact environments. As a senior team member, you will mentor junior engineers, drive ATO/IATO through strategy to execution, and ensure continuous compliance and proactive security across DoW systems.

You will apply AI/ML to threat detection and control resilience, and collaborate with

Qualifications

• Demonstrated leadership in cybersecurity architecture, RMF compliance, and system accreditation.
• Experience with vulnerability assessment, risk mitigation, and ATO lifecycle management.

Responsibilities

• Lead A&A of complex DoW systems following RMF processes (DAAPM 2.2, JSIG Rev 4, ICD-503).
• Own RMF documentation lifecycle (SSPs, POA&Ms, SCTMs, risk assessments).
• Guide teams through ATO/IATO achievement and continuous monitoring across systems.
• Architect and implement advanced cybersecurity controls for resilience against evolving threats.
• Leverage AI/ML to develop, integrate, and operationalize capabilities across cybersecurity apps, including threat detection and automated analysis.
• Design AI-enabled workflows for automated vulnerability detection, continuous compliance checks, and prioritized remediation based on real-time risk scoring.
• Deploy and administer cyber tools (ACAS, Splunk, HBSS) and security platforms (eMASS).
• Mentor junior and mid-level engineers; drive knowledge sharing and growth.

Skills

Cyber Threat Intelligence

Security Platforms

Vulnerability Scanning

Education

Bachelor's degree in Cybersecurity, Information Systems, Computer Science, or a related field

Tools

ACAS

Splunk

HBSS

eMASS

Job description

Type of Requisition

Regular

Clearance Level Must Currently Possess

Top Secret/SCI

Clearance Level Must Be Able to Obtain

Top Secret SCI + Polygraph

Public Trust/Other Required

None

Job Family

Cyber and IT Risk Management

Job Qualifications

• Skills: Cyber Threat Intelligence, Security Platforms, Vulnerability Scanning
• Certifications: None
• Experience: 10 + years of related experience
• US Citizenship Required: Yes

Job Description

Lead with purpose. Defend with expertise.

Join GDIT as a Senior Cybersecurity Engineer and take ownership of mission-critical cybersecurity programs that protect Department of War (DoW) systems. You’ll serve as a key technical authority, leading security design, risk assessments, and authorization strategies across diverse, high-impact environments.

As a senior team member, you’ll work both independently and collaboratively, mentor junior engineers, and drive system accreditation from strategy through execution—delivering proactive security and continuous compliance in support of national defense.

• Lead thedevelopment, assessment, and authorization (A&A)of complex DoW systems following RMF processes (includingDAAPM 2.2, JSIG Rev 4, ICD-503).
• Own the creation and lifecycle management ofRMF documentation(SSPs, POA&Ms, SCTMs, risk assessments, and related artifacts).
• Guide teams through successfulATO/IATO achievementand ensurecontinuous monitoring and complianceacross systems.
• Architect and implementadvanced cybersecurity controls, ensuring resilience against evolving threats.
• Leverage artificial intelligence and machine learning technologies to develop, integrate, and operationalize innovative capabilities across cybersecurity applications, including threat detection, anomaly identification, automated analysis, and defensive decision support.
• Design and implement AI-enabled workflows that support automated vulnerability detection, continuous compliance checks, and prioritized remediation recommendations based on real-time risk scoring.
• Direct the deployment and administration ofcyber tools(e.g., ACAS, Splunk, HBSS) and security platforms (e.g.,eMASS).
• Leadvulnerability scanning, analysis, and mitigation strategies, while supporting incident response planning and readiness.
• Collaborate with technical leads, mission stakeholders, and leadership to developsecure, scalable solutionsaligned with DoW requirements.
• Evaluate and enhancesystem hardening, configuration management, and patching processes, includingAI-assisted prioritization of patching based on exploitability, asset criticality, and threat intelligence.
• Act as amentorto junior and mid-level engineers, cultivating a culture of knowledge sharing and technical growth.
• Track and integratee evolving cybersecurity trends, threat intelligence, and DoD security guidance into ongoing support activities.

Education

Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, or a related field.

Years of Experience

10+ years of experience in cybersecurity, with deep knowledge of RMF, ATO processes, and system accreditation.

Preferred Certifications (one or more)

• Security & Governance: CISSP, CCSP, CISM, CEH, CAP
• Cloud & Platforms: AWS SysOps Administrator, Cloud+, Linux Essentials, Splunk
• Tools & Management: ITILv4, Project+, eMASS, HBSS, ACAS

Required Skills & Qualifications

• Demonstrated leadership in cybersecurity architecture, RMF compliance, and system accreditation.
• Strong technical experience with vulnerability assessment, risk mitigation, and ATO lifecycle management.
• Experience designing or integrating AI/ML-based cybersecurity solutions, such as anomaly detection models, behavioral analytics, or automated risk scoring to drive mitigation actions, is highly desirable.
• Hands-on familiarity with integrating AI/ML outputs into security workflows (e.g., feeding model results into SIEMs, SOAR platforms, ticketing systems, or patch management tools).
• Fluency with DoW cybersecurity tools, processes, and secure configuration practices (e.g., STIGs, hardening guides).
• Ability to lead projects independently, communicate security posture to technical and executive stakeholders, and influence secure design decisions.
• Proven experience in mission-driven environments, effectively handling complexity, urgency, and changing priorities.

Why GDIT

At GDIT, your expertise shapes national security outcomes. We empower you to:

• Lead with autonomy and authority.
• Tackle meaningful, mission-first challenges.
• Grow professionally with access to training and certification support.
• Thrive in a collaborative, technically elite environment.

Be part of something greater. Own your career. Make an impact with GDIT.

Location

Springfield, VA

Citizenship

U.S. Citizenship Required.

Salary Range

The likely salary range for this position is $164,382 - $209,420. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Working Hours

Scheduled Weekly Hours: 40

Travel Required

None

Telecommuting Options

Onsite

Work Location

USA VA Springfield

Total Rewards at GDIT

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Other Benefits Information

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

Equal Opportunity Employer

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans