123 systems cybersecurity engineer jobs found

Overview LMI is seeking a skilled Senior Cybersecurity Information Systems Security Engineer (ISSE) to support US Army  Capability Program Executive (CPE) Gound   office  at Ft. Belvoir, Virginia. The ISSE will drive efforts that support software and hardware cybersecurity Risk Management Framework (RMF) Authority to Operate (ATO).     LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and...

Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production caliber code. This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States. This position requires an active Secret clearance.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need,...

Overview We are seeking a Senior Forward Deployed Engineer to embed directly with mission users and own the technical solution from mission need through production deployment. This is a hands-on role for an engineer who enjoys solving hard, ambiguous problems—and wants to see the technology they build make a difference in the real world. You will work alongside mission users to understand what is actually happening on the ground, identify opportunities where technology can make a meaningful difference, and turn those insights into working solutions. You’ll integrate advanced technologies—including modern AI/LLM capabilities—into operational workflows, build and deploy new software capabilities, and iterate directly with users until the solution delivers measurable mission impact. This is not a role where you simply receive requirements and hand off code. You will be close to the problem, close to the user, and accountable for the outcome. You’ll have the...

Position Summary The Senior Network Security Engineer leads the design, implementation, and governance of secure enterprise network infrastructures across on-premises, cloud, and hybrid environments. This role ensures the protection of corporate assets and, where applicable, Controlled Unclassified Information (CUI), by aligning systems to cybersecurity best practices and compliance frameworks such as NIST SP 800-171 and CMMC Level 2.   Responsibilities Duties include, but not limited to:  Architect, implement, and maintain secure network infrastructures aligned with enterprise and CMMC Level 2 requirements. Design and manage firewalls, VPNs, IDS/IPS, micro segmentation, and encryption controls. Re-architect network infrastructure for scalability and growth. Ensure proper VLAN segmentation and zero-trust alignment. Perform daily monitoring of network health and detect zero-day exploits. Monitor network...

Overview LMI is seeking a skilled Forward Deployed Engineer in the Tampa, Florida region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production caliber code. This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States. This position requires an active Top Secret clearance.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of...

Overview LMI is seeking a highly experienced Senior Software Test Automation Engineer to support U.S. Army Enterprise Resource Planning (ERP) programs at a client location. The selected candidate will lead and advance automated testing capabilities for a major Defense Business System modernization effort, working closely with Army test agencies, ERP program personnel, and the lead system integrator. This role is responsible for developing test strategies, automation frameworks, test plans, and quality practices that enable reliable, repeatable, and risk-based testing throughout the software delivery lifecycle. The position supports remote telework, with occasional travel to client offices at Fort Lee and Fort Belvoir, Virginia. Responsibilities Responsibilities Develop, maintain, and execute program-level test and evaluation plans. Coordinate testing activities with Army test organizations, ERP program staff, functional...

Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven  expertise  in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration,  LMI serves the defense, space, homeland, healthcare, and intelligence sectors—helping agencies navigate complexity and outpace change.  Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   Responsibilities LMI is seeking an accomplished Chief Engineer to serve as the program's senior technical authority for...

Overview LMI is seeking a Cyber Systems Engineer/AI Governance Lead/Solutions Architect to provide full-time senior technical leadership for Department of Veterans Affairs (VA) modernization initiatives involving enterprise architecture, artificial intelligence, data, automation, cloud, and other emerging technologies. This role combines independent solution-architecture judgment with practical AI and technology-governance leadership so complex solutions are technically  feasible , secure, supportable, responsible, and aligned with VA enterprise constraints.   This position follows a hybrid work model, with an expectation of approximately 25% onsite presence at LMI’s Tysons headquarters or Washington, DC.   The successful candidate will evaluate solution alternatives, integration patterns, data and identity dependencies, supportability, lifecycle risk, and enterprise fit while translating VA and federal governance expectations into usable design...

Overview LMI is seeking an experienced, hands-on Enterprise MuleSoft Integration Engineer / Architect to support Project Manager Logistics-Finance (PM LOG-FIN) and the U.S. Army with digital modernization and integration initiatives. Th is role will lead the design, development, deployment, scalability, and central management of a unified, enterprise-wide MuleSoft Anypoint Platform. Th is position will drive the evolution of a n enterprise data hub and gateway solution, securely exposing application programming interfaces ( APIs ) and data services across critical Army logistics and financial e nterprise r esource planning (ERPs) systems , authoritative data sources , and external trading partners. O bjectives include moderniz ing complex, custom legacy point-to-point interfaces into scalable, modular API-led services to accelerat e mission readiness, financial and...

Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven  expertise  in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the  defense, space, homeland, healthcare, and intel  sectors— helping agencies navigate complexity and  outpace  change.  Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   Responsibilities LMI is seeking a skilled Network Engineer to design, build, maintain, and sustain classified network...

Overview LMI is seeking a senior Technical Program Manager (TPM) to lead the delivery of LMI's technology portfolio supporting the United States Postal Service (USPS). USPS operates the nation's largest delivery and logistics network and is in the midst of a multi-year modernization effort to improve service reliability, transform the customer experience, and achieve long-term financial sustainability. The TPM will be LMI's senior technical leader on this account: owning the end-to-end deployment of technology solutions into the USPS environment and serving as the trusted advisor who connects hands-on engineering execution to USPS mission and business outcomes. This is a hands-on leadership role for a professional who can lead the deployment of a diverse portfolio of enterprise technologies into a large, complex federal environment, including ServiceNow, the Microsoft ecosystem (Microsoft 365, Power Platform, Azure), AI-enabled and agentic solutions, custom...

Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven  expertise  in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the  defense, space, homeland, healthcare, and intelligence sectors—helping agencies navigate complexity and outpace change.  Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   Responsibilities LMI is seeking a skilled Infrastructure Engineer to design, implement, automate, operate , and sustain...

About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools – including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. DLH is dedicated to the idea that “Your Mission is Our Passion” and brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview DLH is seeking a DevSecOps Engineer to join our team.  The DevSecOps Engineer will be responsible for designing and implementing cybersecurity solutions across enterprise cloud, on-premise, and hybrid...

Overview We are seeking a Dataverse Data Architect  to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Dataverse Data Architect will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and the...

Overview We are seeking a Data Architect (365)  to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Dataverse Data Architect will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and the...

Overview We are looking for a Cybersecurity Engineer to design and guide secure system architectures that can achieve and sustain federal cybersecurity authorization. This role focuses on translating complex regulatory frameworks into practical architecture patterns that enable platforms and applications to meet the rigorous expectations of federal security programs. You will operate at the intersection of security architecture, DevSecOps, and Governance, Risk, and Compliance (GRC)—ensuring systems are architected for authorization success while also guiding the documentation, risk management, and programmatic processes required to achieve and maintain compliance.   This role is ideal for an experienced security architect or senior federal cybersecurity professional who understands both federal authorization frameworks and modern cloud/software architectures, and who can bridge engineering teams, security governance functions, and government stakeholders....

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 Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. An exciting new Lockheed Martin program is seeking an experienced Embedded Software...

Description: Lockheed Martin Space is seeking a Level 5 Systems Engineer to lead the design and implementation of the advanced Global Navigation Satellite System (GNSS) and Satellite Based Augmentation System (SBAS) solutions. The role involves applying rigorous systems engineering and reliable and secured networking techniques, ensuring compliance with industry standard development assurance guidelines, and delivering high reliability navigation capabilities for our commercial customers. Development and Integration Lead – Develop and execute network design, cybersecurity requirements, and implementation plans for GNSS/SBAS hardware and software. Assurance Standards Application – Apply SAE ARP4754A, SAE ARP4761, RTCA DO 178C, DO 278A, and/or DO 254 as appropriate to ensure safety, reliability, and airworthiness. Risk & Safety Analysis – Conduct hazard assessments, FMEA, and other safety analyses; mitigate technical and program risks. Cross Disciplinary Coordination – Work...

Overview LMI is seeking an experienced Solutions Architect to join our Growth Op eration s organization and serve as the technical backbone of our client-facing business develop ment efforts. This role sits on the BD/capture side:  you'll  architect the technical solutions behind our pursuits. That said, credible architecture comes from recent, hands-on experience developing and implementing solutions on a delivery project. That background is what lets a solution hold up under evaluator scrutiny and translate cleanly into delivery.   This is a high-visibility position for someone who enjoys translating agency mission needs and RFP/RFI requirements into differentiated technical solutions, and who wants to apply real engineering judgment earned through hands-on delivery to the sales cycle. You will influence what we pursue, how we compete, and how we bring new capabilities to government customers.   LMI is a new breed of digital...

Overview We’re looking for a Forward Deployed Engineer to help deploy, extend, and integrate LIGER, an enterprise AI platform that connects knowledge, systems, and agentic workflows to accelerate outcomes across federal missions. You’ll join a small, cross-functional team working directly with customers to get LIGER into production and build the features that make it stick. This position can be supported in a hybrid/remote capacity as there may be on-site work required by the customer.   This is a customer-facing technical role. You’ll embed with customers for 60-180 days post-sale, configure deployments, build custom integrations, and ship features that solve real problems on the ground. You’ll also run proof-of-concept demonstrations, translate customer needs into working code, and feed insights back to the core product team. If you’re excited about building at the intersection of AI, government missions, and real users, keep reading.  This position...