Senior Specialist, Information Security Systems Engineering
L3Harris
Salt Lake City, UT · Posted October 27, 2026
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November 2026
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Rankings about security jobs
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Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Job Title: Senior Specialist, Info Security Systems Engineering
Job Code: 46711
Job Location: Salt Lake City, UT
Job Schedule: 9/80 (employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off)
Job Description:
As a Senior Specialist, Information Security Systems Engineering at L3Harris Technologies, you will support the systems engineering team by providing security architecture and requirements oversight, as well verifying security requirements are met using a mix of manual and automated techniques.
You will work closely with software, networking, FPGA, and hardware engineers to integrate security requirements, verify requirements have been met, and build the body of evidence to showcase how the system you helped design meets the customers’ needs. This position is ideal for engineers with a strong foundation in cybersecurity governance, risk, and compliance (GRC) and who have experience as an engineer who are interested in contributing to high-assurance defense systems.
Essential Functions:
Interpret and apply security controls from NIST SP 800-53, CNSSI 1253, and related guidance into requirements that functional engineers can design to meet
Support implementation and validation of Security Technical Implementation Guides (STIGs) and other configuration baselines
Execute and support RMF lifecycle activities (categorization, control selection, implementation, assessment, authorization, and continuous monitoring) as needed
Develop, maintain, and review RMF documentation (e.g., SSPs, SARs, POA&Ms, Security Plans)
Review high-level system design to ensure it meets security requirements within software, networking, and hardware
Interface with internal stakeholders, Authorizing Officials (AOs), and external assessors to support authorization efforts
Track and report compliance status, risks, and remediation activities to program leadership
Travel up to 10% as needed
Qualifications:
Bachelor’s degree in any engineering discipline including cybersecurity, computer science, information systems, etc. with minimum 6 years of relevant experience or Graduate degree in a related field with 4 years of relevant experience or In lieu of a degree, 10 years of relevant experience
Active Secret security clearance
Preferred Additional Skills:
Experience with the systems engineering lifecycle as it relates to security objectives; particularly requirements analysis, design, and testing
Exposure to cryptographic systems, FIPS 140-3, or NSA certification processes
Experience with high-assurance or classified systems
Hands-on experience executing RMF within DoD environments
Experience applying NIST SP 800-53 security controls and STIGs
Experience supporting Authority to Operate (ATO) processes
Strong technical writing and documentation skills
Understanding of networking concepts (TCP/IP, network architecture, boundary defense)
Experience working with embedded systems and/or communications systems
Familiarity with DevSecOps environments
Experience working in cross-functional engineering teams
Familiarity with TEMPEST, Anti-Tamper, or related system security disciplines
Experience supporting government customers in a SETA/A&AS role
Additional certifications (CISM, CISSP-ISSEP, CISA, CEH, GIAC, etc.)
DoD 8140 / 8570-compliant certification (e.g., Security+, CISSP, SSCP, GSEC), or ability to obtain within 6 months of hire