March 16, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements.
Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.
June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. It's a better process: facilitating a continuous ATO through real-time monitoring and dashboards that provide single pane of glass visibility into control compliance, zero-trust built-in to system design from day one, continuous evidence that gives auditors real-time proof instead of point-in-time packages, and an ATO that program teams can inherit rather than pursue.
Annapolis Junction, MD10 days ago
June 17, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Washington DC, DC4 days ago
li>Cloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.
Fort Meade, MD27 days ago
April 21, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Advanced routing and traffic engineering (BGP, OSPF/ISIS), path control, and convergence considerations SDWAN and secure connectivity patterns (SASE/SSE where applicable), including segmentation and policy design, QoS design (marking, queuing and shaping), performance engineering (latency/jitter/loss), and capacity planning. • Recommend optimized WAN solutions to Chief Engineer in support of current and long-range planning; collaborate with technical leads to select, recommend, and obtain approvals for tools and technologies that improve efficiency, reduce cost, and increase customer satisfaction.
The selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities:- Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.
Washington, DC25 days ago
While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. This role architects, implements, and sustains highly available storage platforms supporting mission-critical SEC workloads across primary, alternate, and regional environments.
li>Design, implement, and optimize DevSecOps pipelines and deployment automation using tools such as AWS CDK/Terraform/CloudFormation, Git, Jenkins/GitLab, GitHub Actions, AWS CodePipeline, Docker, and related technologies. Minimum THREE (3) years of experience in a technical leadership role, including leading or mentoring engineering teams responsible for cloud, DevOps, platform, or security operations.
Fort Belvoir, VA30+ days ago
Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
ul>This position requires at least 8+ years’ experience supporting networking for DoD Command and Control Systems such as Multisource Correlator Tracker (MSCT), Common Aviation Command and Control System (CAC2S), Air Defense System Integrator (ADSI), or Theater Battle Management Core System (TBMCS). Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.
June 24, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. You will be working closely with our Cloud Architect, Solution Architects, Systems Engineers, Software Engineers, and Operations Engineering/Manager as well as Government counterparts to perform and manage our cloud solution, cloud computing strategy and all associated documentation.
Fort Belvoir, VA30+ days ago
Excellent analytical, technical, communication, planning, presentation, and organizational skills with the ability to articulate new ideas and concepts to technical and nontechnical audiences, internal teams, senior leaders, vendors, partners, customers, and stakeholders. Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs.
Springfield, VA30+ days ago
NW Communications 4: 9+ years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. NW Communications 3: 5+ years of experience and a Bachelor's Degree, or 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
HII - Mission Technologies is currently seeking a SME Information System Security Manager (ISSM) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.
HII - Mission Technologies is currently seeking Senior-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Designs and implements automated cloud architectures using Terraform, Ansible, and CloudFormation to support system administration, release management, cybersecurity controls, and continuous integration pipelines across multiple operational enclaves.
HII - Mission Technologies is currently seeking Intermediate-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. "• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Springfield, VA30+ days ago
Engineer Info Assurance 3: 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Engineer Info Assurance 2: 2 years relevant experience with Bachelors in related field; 0 years experience with Masters in related field; or High School Diploma or equivalent and 6 years relevant experience.
HII - Mission Technologies is currently seeking an Intermediate-level Cloud Security Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Conducts patch management operations across Advana cloud enclaves by operating vulnerability scanning workflows, identifying required updates, tracking patch applicability, and automating deployment actions aligned with Department of Defense patching directives supporting Joint Staff elements and mission-owner communities.
Requirements: - 3+ years of network administration experience in Cisco environments, experience with Cisco and Juniper technologies, and exposure to data center or building automation systems. This individual will be responsible for managing network hardware, troubleshooting complex issues, implementing security protocols and leading network improvement initiatives.
Assist the Mission Coordinator in working with the Marine Enterprise Training Network (MTEN) and Navy Continuous Training Environment (NCTE) local and remote operators and engineers, and external Joint Live Virtual Constructive (JLVC) teams to coordinate and plan systems and personnel support for events. The C2 Systems Integrator works onsite at the Marine Corps Base Quantico, Virginia supporting Naval Surface Warfare Center- Corona (NSWC-Corona) in providing LVC training for US Marin Corps and reports directly to the LVC Mission Coordinator.
Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Fort Meade, MD30+ days ago
The successful candidate will play a pivotal role in the entire hardware lifecycle, from concept and prototyping to production and sustainment, ensuring our systems meet stringent performance, reliability, and security requirements in challenging operational environments. We are seeking highly skilled and innovative Hardware Engineers to contribute to the design, development, testing, and deployment of advanced electronic systems and hardware components in support of critical national defense missions.
Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills.
Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills.
When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.
Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills.
5+ years of experience in Platform Engineering or Software Development (Go) with Bachelors in related field; OR 3 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 9 years relevant experience. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.
9+ years of experience in Platform Engineering or Software Development (Go) with Bachelors in related field; OR 7 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 13 years relevant experience. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.
Determines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience.
Fort Belvoir, VA30+ days ago
Implementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR) . As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.
Fort Meade, MD30+ days ago
The successful candidate will be a hands-on engineer responsible for transforming conceptual requirements into tangible, reliable, and secure hardware solutions, from initial circuit design and simulation through prototyping, testing, and production support. We are seeking a highly skilled and innovative Hardware Design Engineer to lead or contribute significantly to the design, analysis, and verification of complex electronic hardware for next-generation national defense systems.
Fort Meade, MD30+ days ago
During the analysis, engineers will identify common hardware structures like embedded processors, DSPs, filters, transceivers, data links, and decoders and determine the operational parameters they were designed for. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
9+ years in DoD cyber, agile development, and/or big data with a B.A. in Business, a technical field, or related; 7 years relevant experience with Masters in related field; or High School Diploma or equivalent and 13 years relevant experience. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.
Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. 5+ years of experience in Platform Engineering or Software Development (Python or Go) with Bachelors in related field; OR 3 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 9 years relevant experience.
Columbia, Maryland30+ days ago
p>Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Bachelor’s degree in Communications Engineering, Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Mathematics, or related disciple from an accredited college or university is required .
Network Security Engineers interact daily with a wide variety of industry leading network security products including, but not limited to, firewalls, Intrusion prevention systems, full packet capture solutions, mail gateways, advanced malware defense systems, and TLS inspection solutions. With more than 800 vetted technology vendor partnerships and deep practitioner expertise across every major cybersecurity domain, GuidePoint serves more than half of the U.S. Government's cabinet-level agencies across Civilian, DoD, and Intelligence Community segments, as well as Federal System Integrators and major defense prime contractors.
In this role, you will collaborate to support a large-scale routing and switching infrastructure, contributing to general network tier support while focusing primarily on the deployment and management of the agency's new network access control platform. Responsible for designing, configuring, monitoring, and troubleshooting Cisco ISE as a NAC/NAM platform, including TACACS+/RADIUS services, device administration policies, and wired/wireless 802.1X authentication.
Columbia, Maryland30+ days ago
p>Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for an experienced SeniorNetwork Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
Columbia, Maryland10 days ago
p>Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for an experienced SeniorNetwork Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.
li>1+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 5+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.