Systems Network Engineers

Company: L3Harris Technologies
Location: Reston
Posted on: January 10, 2026

Job Description:

Systems Network Engineers at L3Harris Technologies summary: L3Harris is seeking experienced Systems Network Engineers with active government security clearances to develop and maintain high-assurance encryption and network solutions for defense and governmental applications. The role requires strong expertise in systems security, network engineering, and software development within mission-critical military environments. This position supports national security efforts and is part of a dedicated team focused on delivering advanced technology solutions across multiple domains including space, air, land, sea, and cyber. 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 Technologies is the Trusted Disruptor in the defense industry. 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 Engineering Career Fair – Herndon, VA Date : Wednesday, January 28th, 2026 Time : 2:00 pm - 6:00 pm EST Location : DoubleTree by Hilton McLean Tysons, 1960 Chain Bridge Rd, McLean, VA 22102 L3Harris Surface & C5 Systems - Herndon is a worldwide leader in the engineering, development, manufacture and integration of high assurance encryption systems for defense and governmental applications. The company’s encryption solutions can be found in a wide range of demanding military environments around the world. Join our dynamic team! Qualified engineering & program management applicants must be US citizens and possess active government issued security clearance. Applicants without an active government issued security clearance will not be eligible for hire. This is a hiring event for experienced professionals, not aimed at recent college graduates, and all positions will be onsite. We will be interviewing and hiring for the following positions: RUST Software Engineers/Developers Embedded / C++ Software Engineers with experience Systems Security/Network Engineers VHDL/Electrical Design Engineers Click 'APPLY NOW' to confirm your attendance. LI-IK1 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. 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. Keywords: Systems Network Engineer, Defense technology, Network security, Encryption systems, Government security clearance, Mission-critical systems, Cybersecurity, Embedded software, Military communications, Systems integration

Keywords: L3Harris Technologies, Sterling , Systems Network Engineers, IT / Software / Systems , Reston, Virginia