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$125k – $232k per year
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In office (Clifton)
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Staff · 13+ years exp
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First seen by Alion on Sep 26, 2026. L3Harris Technologies scores A on the Alion truth index.

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L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: Information Security Systems Engineer

Job Code: 41979

Job Location: Clifton, NJ

Job Schedule: 9/80- employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off

Job Description:

Applies current systems security engineering methods, practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Throughout the lifecycle of system, works closely with customers to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early, and in a sustainable manner that will allow for the security authorization of the system of interest. Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products using methods such as encryption technology, vulnerability analysis and security management. Responsible for integration of multiple methods into a cohesive system security perimeter and environment while implementing the policies and procedures necessary to monitor and maintain such an environment. Prepares Certification and Accreditation documentation, using multiple industry standards such as DITSCAP, DIACAP, DCID 6/3, Common Criteria, and NIST 800-37, to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.

Essential Functions:

  • Lead assessment activities for security and privacy controls in embedded systems using NIST 800-53.
  • Experience leading programs through the Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard Body of Evidence (BoE) package development.
  • Experience with A&A package processing
  • Experience in RMF accreditation of Platform IT (PIT) systems.
  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • Experience in DoD software selection and approval processes for COTS, GOTS and FOSS
  • Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data
  • Assist program security in the development of policies and procedures for emerging security technologies
  • Support the evaluation, qualification, testing and delivery of security architecture improvement, obsolescence replacement and vulnerability response projects
  • Experience with Security Testing and Verification
  • Experience as Control Account Manager (CAM) with Earned Value Management System (EVMS tools
  • Experience as Intergrated Product Team Lead (IPTL)
  • Work is to be accomplished 100% onsite, in a lab environment, no options for remote support

Qualifications:

  • Education requirements:
    • Bachelor’s Degree and minimum 9 years of prior relevant experience.
    • Graduate Degree and a minimum of 7 years of prior related experience.
    • In lieu of a degree, minimum of 13 years of prior related experience.
  • TS/SCI Security Clearance
  • Must be able to obtain and maintain a DOD 8140 certification (or NIST 800-181), appropriate for the position within 6-months of start

Preferred Additional Skills:

  • NSA Type 1 Certification of cryptographic high assurance devices
  • Experience with NSA High Assurance products and IASRD and SERD requirements
  • Lead the development and implementation of Anti-Tamper (AT) throughout the System Development Lifecycle. Key tasks include
    • Assessing systems for Critical Program Information
    • Conducting trade studies
    • Developing AT requirements
    • Implementing security architectures
    • Assessing threats via attack/countermeasure analysis
    • Conducting Verification and Validation activities.
  • Serve as a SME in the area of AT.
  • Experience using DoD 5200.39 in identifying and protecting critical program information (CPI).
  • Experience in Engineering trustworthy and secure systems IAW NIST 800-160.
  • Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and AT Plans
  • Interact with customer to define AT requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
  • Active TS/SCI Clearance is highly desired

In compliance with pay transparency requirements, the salary range for this role is $125,000 - $232,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

#LI-JD3

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