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Senior Specialist, Systems Engineering (Mission Protection) (TS/SCI w Poly)

L3Harris Technologies

Seat Pleasant, MD

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JOB DETAILS
SKILLS
Air Force, Communication Skills, Computer Security, Concept of Operations (CONOPS), Documentation, English Language, Government, Integrated Circuits (ICs), Internet Security, Leadership, National Reconnaissance Office (NRO), Operational Support, Operations Security (OPSEC), Presentation/Verbal Skills, Risk Management, Risk Management Framework (RMF), Security Analysis, Security Attacks, Security Clearance, Sensitive Compartmented Information (SCI), Spanish Language, System Lifecycle, Systems Administration/Management, Systems Engineering, Threat Modeling, Top Secret Clearance, Training/Teaching, United States Department of Defense (DoD), Writing Skills
LOCATION
Seat Pleasant, MD
POSTED
1 day ago
L3Harris Technologies is currently seeking a Senior Specialist, Systems Engineer – Mission Protection Specialist to support a high-visibility, mission-critical national security program. This position is responsible for identifying, assessing, and mitigating threats to space, cyber, and ground systems supporting U.S. government missions. The ideal candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat principles to protect sensitive capabilities to ensure the survivability of U.S. assets in contested environments. Conduct mission protection assessments to identify vulnerabilities across space, cyber, and ground architectures. Collaborate with mission planners, operators, and mission partners to integrate protection strategies throughout the system lifecycle. Support the development of mitigation plans and help implement countermeasures aligned with mission assurance priorities. Coordinate with DoD and IC stakeholders to ensure protection efforts are synchronized with national-level guidance and classification policies. Develop and maintain program-specific threat models, Concept of Operations (CONOPS), and risk management frameworks. Contribute to red/blue team assessments, tabletop exercises, and program security reviews. Prepare briefings and documentation for senior leadership on threat assessments, mitigation strategies, and mission assurance outcomes. Ability to obtain and maintain a crew operations certification. Able to work independently and collaboratively in classified operations centers, supporting 24/7 mission requirements when needed. Qualifications: Bachelor’s degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active Top Secret/SCI with CI Poly clearance required. Experience with threat modeling, vulnerability analysis, and risk management. Experience working with or supporting a Weapons and Tactics (W&T) team, with familiarity in integrating protection strategies. Preferred Additional Skills: Graduate of Air Force Weapon School or Advance Instructor Course (AIC). Strong written and verbal communication skills, including experience briefing senior stakeholders. DoD/NRO Systems Liaison / Field Representative. Strong Orbital Mechanics Background. System Tool Kit (STK) Level 2/3 Certification; Orbit Determination Tool Kit (ODTK). L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .5c143e31-5e48-4549-b638-05792d185386

About the Company

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L3Harris Technologies