Skip to content.
MANTECH seeks a motivated, mission-focused Principal Network Engineer to join our team in Chantilly, VA . In this role, you will provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments supporting critical customer missions. You will collaborate across technical teams and customer stakeholders to deliver resilient, highly available, and secure network solutions while driving operational excellence and innovation. Responsibilities include but are not limited to: Prioritize technical and operational requirements based on project... more ->
Principal Network Architect/Technical SME Position Overview The Principal Architect serves as the senior technical authority responsible for developing and architecting enterprise network solutions for our government client in regard to Network Modernization. This role leads the technical strategy, solution development, and proposal responses while ensuring alignment with Department of Air Force (DAF) requirements and industry best practices. Required Certifications & Clearance CISSP (Certified Information Systems Security Professional) CCIE or equivalent senior-level networking certification... more ->
Software Build Engineer - Core Data Platform Team, EIS Full-Time, Hybrid (Boston or Springfield) The Opportunity You will join the Core Data Platform team, which builds and maintains a suite of tools powering over 2,100 data pipelines in production across MassMutual. As a Software Build Engineer, you'll manage the cloud infrastructure that supports this platform in a fast-paced, innovative, and collaborative environment. You'll recommend and evaluate new technologies, contribute to code and patterns, and play a key role in shaping the future of data engineering at MassMutual. The Team You'll... more ->
Job ID: 718369BR Date posted: Feb. 17, 2026 Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutions, focusing on resiliency and urgency through our 21st... more ->
Job ID: 712393BR Date posted: Mar. 12, 2026 Description: This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life... more ->
Job ID: 716430BR Date posted: Jan. 28, 2026 Description: This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life... more ->