Senior Mission-Protection Systems Engineer (TS/SCI)

Harris Geospatial Solutions; Springfield (VA); On-site; USD 92,500 - 171,500; Full time

Benefits offered by this job

Health insurance

Disability insurance

401(k) match

Flexible spending accounts

Education assistance

Parental leave

Paid time off

Company‑paid holidays

Job summary

L3Harris Technologies is seeking a Senior Specialist, Systems Engineer – Mission Protection Specialist to support a high-visibility national security program in Springfield, VA. The role focuses on identifying, assessing, and mitigating threats to space, cyber, and ground systems supporting U.S.

government missions. The ideal candidate will apply OPSEC, counterintelligence, cyber defense, and threat principles to ensure survivability of assets in contested environments.

Qualifications

• Bachelor’s Degree and minimum 4 years of prior related experience; Graduate Degree and a minimum of 2 years of prior related experience; In lieu of a degree, minimum of 8 years of prior related experience.
• Active Top Secret/SCI with CI Poly clearance required.
• Experience with threat modeling, vulnerability analysis, and risk management; familiarity with Weapons and Tactics (W&T) teams.

Responsibilities

• Identify vulnerabilities across space, cyber, and ground architectures.
• Collaborate with mission planners and operators to integrate protection strategies.
• Develop and implement mitigation plans aligned with mission assurance.
• Coordinate with DoD/IC stakeholders to align with guidance and policies.
• Create threat models, CONOPS, and risk management frameworks.
• Contribute to red/blue team assessments and program security reviews.
• Prepare briefings for senior leadership on threat assessments and outcomes.
• Maintain crew operations certification and operate in classified environments.

Skills

Threat modeling

Vulnerability analysis

Risk management

Active TS/SCI with CI Poly

Education

Bachelor’s Degree

Graduate Degree

8 years of related experience in lieu of degree

Tools

STK Level 2/3 Certification

ODTK

Job description

L3Harris Technologies is seeking a Senior Specialist, Systems Engineer – Mission Protection Specialist to support a high-visibility national security program in Springfield, VA. The role focuses on identifying, assessing, and mitigating threats to space, cyber, and ground systems supporting U.S.

government missions. The ideal candidate will apply OPSEC, counterintelligence, cyber defense, and threat principles to ensure survivability of assets in contested environments.