Senior Specialist, Systems Engineering - Security

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 Specialist, Systems Engineer
We are seeking a highly motivated Systems Engineer to support the design, development, integration, and delivery of advanced software solutions for mission-critical defense systems. The ideal candidate will have experience leading technical efforts across the full software development lifecycle, collaborating directly with customers, and developing secure, scalable solutions in cross-functional engineering environments. This role requires a strong background in software architecture, systems integration, diagnostics, automation, and secure software development, along with the ability to work across multiple programming languages and platforms.

Must be able to work occasional weekend or overtime hours, as required.
Lead end-to-end software development efforts including architecture, design, implementation, testing, documentation, and delivery.
Serve as a primary technical interface with customers, coordinating schedules, communicating progress, and aligning deliverables with evolving requirements.
Design and develop scalable authentication and authorization solutions to enforce system access control policies.
Lead small technical teams in the development of diagnostics and monitoring tools to improve system health visibility and accelerate root-cause analysis.
Investigate customer requests, analyze requirements, and implement effective software solutions.
Support software modernization efforts, including containerization and reduction of technical debt in legacy codebases.
Active US TS/SCI security clearance.
Bachelor’s Degree in Electrical Engineering, Computer Engineering, Computer Science, Software Engineering, or related technical field and minimum 6 years of prior relevant professional engineering experience in defense, aerospace, or other mission-critical environments.
Graduate Degree and a minimum of 4 years of prior related experience.
Demonstrated knowledge of ELINT receiver systems, signal analysis equipment and techniques.
Demonstrated experience with ELINT databases such as EPL, CED, EWIR, MIDB, etc.
Linux
Demonstrated experience with unit testing frameworks and software verification practices.
Demonstrated experience with technical documentation, interface definitions, and customer-facing engineering communication.

Familiarity with secure software practices and access control implementation.
Experience supporting ELINT, airborne mission systems, communications systems, or similar defense platforms.
Experience automating manual engineering or release processes.
Demonstrated ability to deliver projects ahead of schedule.
Big Safari Experience and/or a USAF RC-135 Combat Systems Officer (CSO)/Electronic Warfare Officer (EWO) is preferred.
Electronic Warfare Officers with experience on other airborne platforms and experienced.

#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. 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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