Senior Associate, Info Security Systems Engineer

October 14, 2026
Urgent

Job Description

Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. 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: Senior Associate, Info Security Systems Engineering
The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining security solutions on National Security Systems, or other systems engineered for our government customers, using current standards within National Institute of Standards & Technology (NIST) Risk Management Framework, Special Publications 800-37, 800-53, 800-171, 800-160 and other NIST publications; Committee on National Security Systems Instruction (CNNSI) 1253, Joint SAP Implementation Guide (JSIG), Federal Information Processing Standards (FIPS), and Cyber Survivability Attributes found in DOD’s Cyber Survivability Endorsement Implementation Guide to certify and achieve system accreditations.
The successful candidate will work with system 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.

Proficient in Cybersecurity Product Development, contributing to the design and implementation of security features within product offerings.
Knowledgeable in Cybersecurity Assessments to evaluate the security posture of information systems and recommend enhancements.
Knowledgeable in Data Protection & Privacy, implementing measures to safeguard sensitive information and ensure compliance with privacy regulations.
Knowledgeable in Information & Cybersecurity Management, overseeing cybersecurity operations and aligning them with business objectives.
Knowledgeable in Network Configuration & Security, configuring networks to enforce security policies and protect against unauthorized access.
Understanding of Application Security principles, securing applications against a wide range of cyber threats.
Proficient with the NIST Risk Management Framework (RMF), applying its guidelines to manage risks and ensure system resilience.
Experience in IT Risk Escalation & Resolution, effectively communicating and addressing IT security risks with stakeholders.
Knowledgeable in Continuous Integration & Deployment practices within a DevSecOps framework, automating security checks and balances in the CI/CD pipeline.
Capable of Cyber Threat Mitigation, employing strategies and tools to detect, prevent, and respond to cyber incidents.
Knowledgeable in Agile Methodologies, applying agile principles to cybersecurity initiatives for improved flexibility and responsiveness.
Support for Enterprise Architecture, contributing to the development and maintenance of an overarching IT architecture framework.
Ability to interpret and apply IT Architectural Guidelines, ensuring cybersecurity solutions are consistent with organizational standards.
This position is performed 100% onsite and cannot be performed remotely.
Up to 15% travel is possible
Bachelor’s Degree and minimum 2 years of prior relevant experience. Graduate Degree and a minimum of 1 years of prior related experience. Must have active Secret security clearance.
DoD 8140.03 IAT Level 2 certification.
Perform Model Based System Engineering (UML, SysML, UAF).
Configure/operate vulnerability analysis tools such Tenable NESSUS Security products.
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 application window for this position will close on 9/30/2026.
#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. 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. 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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