Specialist, Information Security Systems Engineering 1

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 (eg, SSPs, SARs, POA&Ms, Security Plans)
• Interpret and apply security controls from NIST SP 800-53CNSSI 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
• Must have a DoD Secret Clearance, 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.

• Bachelor’s degree in cybersecurity, computer science, information systems, or related field with minimum 4 years of prior relevant 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.

Required Certifications:

• One DoD 8140/8570-compliant certification (eg, Security+, CISSP, SSCP, GSEC), or ability to obtain within 6 months of hire

Preferred Additional Skills:

Strongly Preferred

• 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

Systems & Technical Context

• 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 teams

Desirable (Nice-to-Have)

• Familiarity 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.)
• Active TS/SCI clearance or ability to obtain

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., 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