Sr. Linux Systems Administrator AstrionSr. Linux Systems AdministratorColumbia, Maryland$145,000–$165,000 / yearAstrion has an exciting opportunity for a highly experienced Senior Linux Systems Administrator to build, secure, and sustain the Linux server and workstation estate, the high-performance computing (HPC) cluster, and the enterprise storage that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Red Hat Enterprise Linux (RHEL) expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF) , DoD STIG , and Comply-to-Connect (C2C) requirements.
Data Center - Talent Network JLLData Center - Talent NetworkWashington, DCRemoteWe support the complete data center lifecycle, ensuring these vital facilities operate at peak performance, efficiency, and reliability for clients ranging from hyperscale operators to enterprise colocation providers. Your day-to-day responsibilities will include: Data Center Systems Management: Manage critical facility systems including HVAC, electrical power distribution, fire/life safety, security systems, UPS, and emergency generators.
Full-Stack Software Engineer CruitZiFull-Stack Software EngineerAnnapolis Junction, MarylandAs a Full-Stack Software Engineer, you will be responsible for designing, developing, and maintaining both the front-end and back-end components of our clients web applications. The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel so classified.
Information Systems Security Engineer Level 1 – AI/ML Project TS/SCI w Poly PeratonInformation Systems Security Engineer Level 1 – AI/ML Project TS/SCI w PolyLaurel, Maryland$135,000–$216,000 / yearFull timeApplies system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning: incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. The Level 1 Information Systems Security Engineer (ISSE) shall possess the following capabilities: Participate as a security engineering representative on engineering teams for the design, development, implementation and/or integration of secure networking, computing, and enclave environments.
Director of Information Technology Whitman Associates, Inc.Director of Information TechnologyWashington, District of Columbia$120,000–$150,000Serve as a point of contact for external IT service providers while developing contracts and establishing policies and best practices related to data and systems. Regularly monitor network security and ensure systems are available and easily accessible to internal staff and external users.
Cyber Security Engineer—Technical Lead LeidosCyber Security Engineer—Technical LeadBethesda, Maryland$154,050–$278,475 / yearDesign, configure, implement, troubleshoot, and maintain security technologies such as firewalls (security groups), endpoint protection tools (HBSS/Trellix), SIEM platforms (Splunk), Formulate systems and methodologies as well as respond to security related events and assist in remediation efforts of cyber security incidents (system and/or network breaches, malware attacks). Experience with implementing and managing network and application firewalls, virtual private networks, firewalls, web protocols, incident detection, incident response, and forensics activities, Experience with Agile software development processes/environments, scripting /programming languages such as Python or PowerShell.
Network Engineer CACINetwork EngineerWashington, District of ColumbiaYou will serve as a strategic technical advisor to senior leadership, overseeing massive data center consolidation initiatives, designing secure zero-trust AWS cloud architectures, and optimizing a complex portfolio of 9 distinct Management Decision Packages (MDEPs). CACI is seeking an Information Systems and Cybersecurity Leader to serve as our Lead Infrastructure Architect supporting the Headquarters Department of the Army (HQDA), Deputy Chief of Staff (DCS), G-6 Network Command, Control, Communications, and Computers (C4) Services Integration Directorate (NC4SI).
Cybersecurity Manager JCS Solutions LLCCybersecurity ManagerBethesda, MD$165,000–$180,000 / yearMaintains, configures, and ensures the successful deployment of logging/auditing tools across the networks; ensures logging activities are functional across all networks. Strong skills in the following key areas including strategic thinking, multi-tasking, negotiation, conflict management, time management, planning and executing to a defined schedule/budget.
Senior React JS Developer Dhaka Technologies Limited CompanySenior React JS DeveloperWashington DC, DCRemoteIn this role, you will primarily focus on React JS programming, integrate designs and wireframes within the application code, write application interface code with JavaScript, translate wireframes and designs into quality code, optimize components to work seamlessly across different browsers and devices, develop responsive web-based UI, and support the ecosystem for the organization. The client will be modernizing the District of Columbia Department of Motor Vehicles Enterprise Application to leverage new digital technologies such as cloud computing, data analytics, artificial intelligence, and mobile technologies that are required to create a modern experience for customers and partners of DC DMV.
Cyber Security Engineer-Technical Lead Leidos Holdings Inc.Cyber Security Engineer-Technical LeadBethesda, MD$154,050–$278,475 / yearDesign, configure, implement, troubleshoot, and maintain security technologies such as firewalls (security groups), endpoint protection tools (HBSS/Trellix), SIEM platforms (Splunk), Formulate systems and methodologies as well as respond to security related events and assist in remediation efforts of cyber security incidents (system and/or network breaches, malware attacks). Experience with implementing and managing network and application firewalls, virtual private networks, firewalls, web protocols, incident detection, incident response, and forensics activities, Experience with Agile software development processes/environments, scripting /programming languages such as Python or PowerShell.
Program Manager - Managed Services LeidosProgram Manager - Managed ServicesBethesda, MarylandDirect and mentor a senior leadership team including the Deputy Program Manager, Transition Manager, Task Area Leads (Data Center Operations, Network Services, Cloud & Compute/Storage, Enterprise Services, Lab Support, Cross-Functional Services), Client Advocate/Technical Leads, Service Delivery Manager, Program Security Officer/ISSM, and Financial/Chargeback Manager. The Program Manager will own full contract performance across 10 integrated task areas spanning data center operations, network services, compute/storage/cloud (AWS, Azure, and GCP), enterprise services, laboratory IT support, cross-functional services, client advocacy, program/project management, and transition services.
SharePoint Power Platform Developer and Administrator JCS Solutions LLCSharePoint Power Platform Developer and AdministratorJoint Base Andrews, MDJob Summary JCS Solutions LLC is seeking a experienced SharePoint Power Platform Developer and Administrator supporting the Air Force National Capital Region Information Technology Services (AFNCR ITS) program by delivering administration, development, troubleshooting, and operational support for Microsoft SharePoint Online (SPO), Microsoft 365 collaboration tools, and Power Platform solutions within enterprise government environments. This role operates in a fast-paced, mission-critical setting supporting key Air Force and Department of Defense organizations, ensuring systems reliability and continuous operations.
Program Manager Game Plan TechProgram ManagerWashingtonThe ideal candidate will possess a strong understanding of project management methodologies, a proven track record of successful project delivery within the US public sector, and a passion for leveraging emerging technologies to solve mission-critical challenges. Game Plan Tech is seeking an experienced and highly motivated Project Manager to lead and manage critical IT projects for our public sector clients.
Senior Network Security Engineer (NRE SecOps) MindlanceSenior Network Security Engineer (NRE SecOps)Bethesda, MDRemoteThe Senior Network Security Engineer, Network Reliability Engineering (NRE) Security Operations (SecOps) is a technical leader and subject matter expert in designing and implementing the Network security strategy and firewall management platforms for the next-gen operations for all Client (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Enterprise Networks. Establish management level relationships and partnering with all Business disciplines and other MI teams to define NRE SecOps services, meet service level requirements, and serve as an escalation point to resolve service delivery and operational issues.
Senior Software Engineer (Remote Sensing) UmbraSenior Software Engineer (Remote Sensing)Arlington, VARemote$155,000–$185,000 / yearUmbra’s ecosystem operates through three business units: Remote Sensing (the data), Space Systems (the components), and Mission Solutions (the platforms).Together, our teams develop capabilities that deliver persistent access, resilient performance, and mission-ready solutions, advancing U.S. space leadership while keeping the world safe and informed. This engineer will contribute to software systems across our mission planning, scheduling, command, control, and communications domains, partnering with product owners and multidisciplinary engineering teams to develop and operate the services that enable spacecraft operations at scale.
NewUnified Communications Integration Engineer, Public Safety AxonUnified Communications Integration Engineer, Public SafetyWashington, DC$141,000–$188,000 / yearThe actual base pay is dependent upon many factors, such as: level, function, training, transferable skills, work experience, business needs, geographic market, and often a combination of all these factors. Together, we are creating the only platform that combines modern 911 infrastructure with an AI intelligence layer—helping public safety agencies move faster, make better decisions, and deliver better outcomes in the moments that matter most.
Software Engineer (Language Modeling), BS+12 yrs LinkSoftware Engineer (Language Modeling), BS+12 yrsColumbia, MarylandWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. This role requires a self-reliant individual with a drive to identify and fix inefficiencies, constantly striving to improve the codebase and optimize model performance.
Senior Cyber Systems Architect PeratonSenior Cyber Systems ArchitectArlington, Virginia$176,000–$282,000 / yearFull timeEnsure system security needs are established and maintained for operations development, security requirements definition, security risk assessment, systems analysis, systems design, security test and evaluation, certification and accreditation, systems hardening, vulnerability testing and scanning, incident response, disaster recovery, and business continuity planning. Responsibilities: Peraton is seeking a Senior Cyber Systems Architect to join our Department of State (DoS) Diplomatic Security Cyber Mission (DSCM) program, providing leading cyber and technology security expertise to enable innovative, effective, and secure business processes.
Systems Administrator Level 2 MarkonSystems Administrator Level 2Annapolis Junction, Maryland$145,000–$155,000 / yearFull timepointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]" dir="auto"> Active TS/SCI w/ Polygraph with this Customer. Description: Markon is seeking a Systems Administrator to support the Fort Meade customer by administering and maintaining secure Linux-based infrastructure supporting mission-critical operations.
NewSystems Administrator Level 2 Markon SolutionsSystems Administrator Level 2Annapolis Junction, MD$145,000–$155,000 / yearOur growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services. Working closely with software engineers and infrastructure teams, the Systems Administrator supports modern deployment strategies, system optimization, and continuous operational improvement.