1240 security clearance 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...

Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...

Overview LMI is seeking a highly motivated mid-level Information System Security Officer (ISSO) looking for hands-on experience and opportunity for career growth under direction of the Chief Information Security Officer.   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 outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and...

Overview LMI is seeking a skilled Forward Deployed Engineer in Colorado Springs, CO. It is preferred that candidates can work onsite (Fort Carson) in a hybrid format, but candidates interested in travel may apply. Successful Forward Deployed Engineers demonstrate the ability to integrate advanced technologies into operational workflows, build and deploy new software capabilities, and work closely with Soldiers and mission users to translate real-world needs into practical, scalable technical solutions. 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, 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...

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 Lead Cybersecurity Integrator to provide technical leadership to integrate...

Overview LMI is seeking a Management Analyst/Mission Support Specialist to support a federal program management office at the Unmanned Technologies Operation Center (UTOC) in Summit Point, WV. Join our team of collaborative self-starters focused on delivering practical and efficient solutions to help our client keep U.S. borders safe and facilitate travel and trade. As part of our high-performing team, you will augment our vital work to provide “eyes and ears” technology to protect our nation. Some travel may be required to stations on the southwest and other borders.   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...

Description The SAIC Vanguard 2025 Program currently has an opening for a Senior Network Engineer supporting the Dept. of State (DoS) Diplomatic Technology (DT) Network Operations (NO) division. This position primarily supports operations and maintenance of foreign post network integrations with the DoS Core and other network integrations comprising a large and complex network infrastructure and cloud environments, with engineering and design responsibilities as warranted. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying out its U.S. foreign policy mission. DT provides enterprise architecture design, engineering, operations and maintenance support services for desktops, servers, networks, firewalls, cloud infrastructure, and enterprise applications across the Department. The SAIC Vanguard 2025 Program provides comprehensive IT support consisting of the Department's servers, network devices, network perimeter...

Description The SAIC Vanguard 2025 Program currently has an opening for a Senior Network Engineer supporting the Dept. of State (DoS) Diplomatic Technology (DT) Network Operations (NO) division. This position primarily supports operations and maintenance of foreign post network integrations with the DoS Core and other network integrations comprising a large and complex network infrastructure and cloud environments, with engineering and design responsibilities as warranted. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying out its U.S. foreign policy mission. DT provides enterprise architecture design, engineering, operations and maintenance support services for desktops, servers, networks, firewalls, cloud infrastructure, and enterprise applications across the Department. The SAIC Vanguard 2025 Program provides comprehensive IT support consisting of the Department's servers, network devices, network perimeter...

Description SAIC is seeking a highly motivated, detail-oriented, and experienced Information Systems Security Engineer (ISSM) to join our lead systems integrator team in Reston, Virginia. The ISSE will be responsible for evaluating system vulnerabilities, deploying firewalls and encryption, monitoring for breaches, and developing security policies to ensure data integrity and confidentiality. The ISSE will implement the cybersecurity posture and ensure compliance of classified information systems in support of Department of the Air Force's (DAF) Integrated Fires Command and Control (DIFC2) Program. The ideal candidate will have a strong technical background in information security and a thorough understanding of certification and accreditation process IAW NIST 800-53 and the Risk Management Framework (RMF). The successful candidate will have excellent communication, organizational and problem-solving skills. They will be expected to continually balance and adjust work priorities...

Description SAIC is seeking a Cloud Systems Engineer to provide provision of Global Enterprise IT services, specifically focusing the design and management of the core cloud infrastructure. With a deep understanding of AWS & Azure service such as EC2/Azure Virtual Machines, VPC/Virtual Networks and S3/Storage accounts. In addition to these responsibilities, the Cloud Engineer create and maintain the foundational elements that support cloud applications and services. The Engineer is expected to deliver Tier 3 level support to SITEC 3 EOM mission partners. This critical support role involves the diagnosis, troubleshooting, and resolution of system outages, all while guaranteeing optimal service uptime and mission operational capabilities. The Cloud Systems Engineer is a pivotal role within our IT infrastructure team, providing tier three systems support in line with the SIE OPORD. This position demands a comprehensive understanding of government PAAS, SAAS coupled with...

Description SAIC is seeking a Cloud Systems Engineer to provide provision of Global Enterprise IT services, specifically focusing the design and management of the core cloud infrastructure. With a deep understanding of AWS & Azure service such as EC2/Azure Virtual Machines, VPC/Virtual Networks and S3/Storage accounts. In addition to these responsibilities, the Cloud Engineer create and maintain the foundational elements that support cloud applications and services. The Engineer is expected to deliver Tier 3 level support to SITEC 3 EOM mission partners. This critical support role involves the diagnosis, troubleshooting, and resolution of system outages, all while guaranteeing optimal service uptime and mission operational capabilities. The Cloud Systems Engineer is a pivotal role within our IT infrastructure team, providing tier three systems support in line with the SIE OPORD. This position demands a comprehensive understanding of government PAAS, SAAS coupled with...

Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified...

Description SAIC is seeking a Communications Systems Engineer to act as Offensive Security Engineer to provide onsite systems engineering and technical advisory (SETA) services in support of an SAIC Prime Program at the National Reconnaissance Office (NRO) in Chantilly, VA. The Offensive Security Engineer will support a Government customer with multiple satellite systems, both on-orbit and in development. They will also support communication systems, network, and crypto acquisition activities for multiple major satellite programs. Note: An active Top Secret/SCI clearance with Poly is required to be considered for this role Job Responsibilities to include: Support the System Program Office (SPO) in an acquisition capacity for planning, execution, monitoring, and oversight of communication, network, and crypto acquisitions. Build, automate, and execute testing frameworks and security assessments. Help resolve red/blue team findings. Improve cybersecurity posture...

Description SAIC is seeking a highly skilled and motivated Senior International Contractor Special Security Representative (CSSR) to join our team supporting critical U.S. Navy overseas operations with an emphasis on missions in Guam. The ideal candidate will bring extensive experience in integrated security operations, analysis, processes, and management of Sensitive Compartmented Information (SCI) and Special Access Programs (SAP). Leveraging a strong background in intelligence, security operations, leadership, and risk management, the CSSR will design, implement, and manage comprehensive security programs to safeguard sensitive information, personnel, assets, and facilities in accordance with stringent U.S. DoD and Navy regulations. MUST BE LOCAL TO GUAM OR WILLING TO RELOCATE AT OWN EXPENSE. The responsibilities for this position include serving as a technical representative and subject matter expert (SME) by providing on-site security assessments and responding to...

Description SAIC is currently seeking a motivated, career and customer-oriented Mid-Level Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SAIC Federal Systems. This is a hybrid-remote position requiring 2 days on site per week in Ashburn, VA. Responsibilities Active member of the agile software development team participating in all Program Increment and Sprint ceremonies. Design and develop .Net applications including middleware applications, user interface applications (java script framework), and web services applications. Develop and integrate with PostgreSQL server databases. Develop software design documentation which may include design diagrams, data flow diagrams, software module descriptions, etc. Use Integrated Development Environment (IDE) tools to include Microsoft Visual Studio and GIT. Manage software testing activities to include data setup, defect troubleshooting and resolution. Provide Tier 3 / 4...

Description SAIC is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SAIC Federal Systems. This is a hybrid-remote position requiring 2 days on site per week in Ashburn, VA. Responsibilities Active member of the agile software development team participating in all Program Increment and Sprint ceremonies. Design and develop .Net applications including middleware applications, user interface applications (java script framework), and web services applications. Develop and integrate with PostgreSQL server databases. Develop software design documentation which may include design diagrams, data flow diagrams, software module descriptions, etc. Use Integrated Development Environment (IDE) tools to include Microsoft Visual Studio and GIT. Manage software testing activities to include data setup, defect troubleshooting and resolution. Provide Tier 3 / 4...

Description SAIC is seeking a Modeling & Simulation (M&S) Systems Analyst, Journeyman to support the Collaborative Operations for Battlespace Resilient Architecture (COBRA) program at the US Air Forces Europe / Air Forces Africa (U-A) Warfare Center (UAWC) in Kaiserslautern, Germany. (Please note ALL QUALIFIED CANDIDATES MUST POSSESS a SECRET CLEARANCE & Sec+/or equivalent CERTIFICATION.) COBRA provides for the implementation, integration, development, and delivery of Modeling and Simulation (M&S) solutions supporting the U.S. Air Force, Department of Defense, and mission partners conducting multi-domain operations (MDO) in support of Joint All-Domain Command and Control (JADC2) objectives. The role of this position is to support the delivery, integration, and sustainment of local and distributed live, virtual, and constructive (LVC) training environments for U.S. and partner-nation military forces across the United States European Command (USEUCOM) and United...

Description SAIC is seeking a System Engineer to support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6). The successful candidate will system engineering work to maintain, configure, and reliably operate network servers, server virtualization systems, laptops, desktops, VDI, and supporting software/hardware. Responsibilities: Managing and monitoring all installed systems and infrastructure. Installing, configuring, testing, and maintaining operating systems, application software and system management tools. Proactively...

Description SAIC is seeking a well-rounded Systems Engineer to lead a team of EEs & MEs, and other project personnel to deliver concepts and products related to weapon systems, aircraft and other military systems. The candidate will directly support Government program(s) as project lead throughout the entire program lifecycle. The candidate will support all aspects of design to include, but not limited to, design, development, documentation, testing and production transition. Candidate will be expected to possess excellent communication skills to interface to multi-disciplinary design team and logistics team. Candidate will also perform detailed trade studies, requirements allocation and interface definition studies to translate customer requirements into engineering specifications. Candidate will author documents to system compliance with customer requirements. As part of daily duties, candidate ensures the effective team implementation of product requirements into total...

Description SAIC is seeking an experienced and highly skilled Integration Lead to join our team supporting unique complex IT and SIGINT solutions. In this leadership role, you will serve as the primary requirements and the systems, applications, and architectures designed to meet them. You will lead a cross-functional integration and engineering team, drive integration and migration planning, and serve as the ultimate advocate for client mission success. This position may require on-site support at customer locations and will directly support ISR and C4ISR programs. Work Environment This is a senior, integration-based leadership role that requires onsite leadership at SAIC and customer sites on Aberdeen Proving Grounds, MD. The Integration Lead will operate at the intersection of technical execution and strategic client engagement, working collaboratively and directly with the SAIC Chief engineer. This is an ideal opportunity for a seasoned professional who thrives in...