Specialist, Information Security Systems Engineering

L3Harris Technologies, Inc.; Salt Lake City (UT); On-site; USD 120,000 - 180,000; Full time

Job summary

L3Harris Technologies, Inc. is seeking a Specialist, Information Security Systems Engineering in Salt Lake City to support RMF and DoD-compliant security for mission-critical systems.

The role collaborates with systems, software, and hardware engineers to implement security controls, develop artifacts, and support authorization activities. You must have an active secret clearance and experience applying RMF in DoD contexts, along with knowledge of NIST SP 800-53, STIGs, and ATO processes.

Qualifications

• Bachelor’s degree in cybersecurity, computer science, information systems, or related field required; 6+ years of experience, or graduate degree with 4+ years; in lieu of a degree, 10 years of relevant experience.
• Active secret clearance required for role.
• Experience applying RMF in DoD environments and implementing NIST SP 800-53 controls.
• Knowledge of STIGs, ATO processes, and security control documentation.
• Familiarity with cryptographic systems (FIPS 140-3) and NSA certification processes.
• Experience with secure development, governance, risk, and compliance (GRC).
• Experience working with embedded or classified systems and cross-functional teams.
• DoD 8140 / 8570-certified qualifications (e.g., Security+, CISSP, SSCP) are a plus.

Responsibilities

• Execute RMF lifecycle activities: categorization, control selection, implementation, assessment, authorization, and continuous monitoring.
• Develop, maintain, and review RMF artifacts (SSP, SAR, POA&M, Security Plans).
• Interpret and apply NIST SP 800-53 and related guidance to systems.
• Support STIG implementation and baselines for secure configurations.
• Collaborate with systems, software, and hardware engineers to implement security requirements.
• Interface with Authorizing Officials and assessors to support authorization.
• Track compliance status, risks, and remediation with program leadership.
• Contribute to continuous monitoring strategies and ongoing system compliance.
• Willingness to travel up to 10%.

Skills

Active security clearance

RMF knowledge

Technical writing

Networking concepts

High-assurance systems

DoD RMF experience

NIST SP 800-53 & STIGs

ATO processes

Cross-functional teamwork

DoD 8140/8570 certs

Cryptographic systems familiarity

Embedded/communications systems

Agile/DevSecOps

SETA/AS with government

Security certifications (CISM/CISA/CEH

Education

Bachelor’s degree in cybersecurity / CS / information systems

Graduate degree in related field

10 years of relevant experience in lieu of degree

Tools

eMASS

XACTA

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Information Security Systems Engineering

Job Code: 46710

Job Location: Salt Lake City, UT

Job Schedule: 9/80 (employee's work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off)

Job Description:

As a Specialist, Information Security Systems Engineering at L3Harris Technologies, you will support the security accreditation and compliance of mission-critical communication systems. This role focuses on applying the Risk Management Framework (RMF) and related cybersecurity standards to ensure systems meet DoD and national security requirements.

You will work closely with systems, software, and hardware engineers to integrate security controls, develop authorization artifacts, and support system certification and accreditation activities. This position is ideal for engineers with a strong foundation in cybersecurity governance, risk, and compliance (GRC) who are interested in contributing to high-assurance defense systems.

Essential Functions:

• Execute and support RMF lifecycle activities (categorization, control selection, implementation, assessment, authorization, and continuous monitoring)
• Develop, maintain, and review RMF documentation (e.g., SSPs, SARs, POA&Ms, Security Plans)
• Interpret and apply security controls from NIST SP 800-53, CNSSI 1253, and related guidance
• Support implementation and validation of Security Technical Implementation Guides (STIGs) and other configuration baselines
• Collaborate with cross-functional engineering teams (systems, software, hardware) to ensure security requirements are properly implemented
• 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
• Contribute to continuous monitoring strategies and ongoing system compliance
• Travel up to 10% as needed

Qualifications:

• Bachelor’s degree in cybersecurity, computer science, information systems, or related field 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:

• 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
• Familiarity with tools such as eMASS or XACTA
• 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 or communications systems
• Familiarity with Agile or DevSecOps environments
• Experience working in cross-functional engineering teamsFamiliarity with TEMPEST, Anti-Tamper, or related system security disciplines
• Experience supporting government customers in a SETA/A&AS role
• Additional certifications (CISM, CISA, CEH, GIAC, etc.)
• DoD 8140 / 8570-compliant certification (e.g., Security+, CISSP, SSCP, GSEC)

#LI-BR1

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.

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