Mid-Level Systems Engineer AvaloreMid-Level Systems EngineerTysons, VirginiaTechnical Skills: Strong working knowledge of Linux/Unix, version control (Git), and scripting languages (Python, Bash, or similar). System Design & Implementation: Design, install, configure, and test operating systems, application software, and system management tools.
NewSecurity Officer - Part Time Access Log Analyst Allied UniversalSecurity Officer - Part Time Access Log AnalystLeesburg, VirginiaPart timeSupport data center operations by directing visitors and deliveries, communicating professionally with site personnel, and reporting unusual activity or policy violations to Allied Universal leadership and/or designated client contacts. As an Access Control Officer at a dynamic technology location, you will monitor entry points, verify credentials, manage visitor access, and respond to access-related concerns.
Security Officer - Part Time Access Authorization Allied UniversalSecurity Officer - Part Time Access AuthorizationAshburn, VirginiaPart timeAs an Access Control Officer at a financial institution, you will help maintain a welcoming, professional environment by monitoring entry points, verifying credentials, managing visitor access, and responding to security-related concerns. Communicate professionally with site personnel, visitors, Allied Universal leadership, and responding agencies regarding incidents, access issues, and security-related observations.
NewSecurity Officer Enhanced Part Time Access Governance Allied UniversalSecurity Officer Enhanced Part Time Access GovernanceSterling, VirginiaPart timeAs a Security Officer Enhanced Part Time Access Governance in Sterling, VA , this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Monitor and control access to technology infrastructure locations by verifying credentials, processing visitors, maintaining visitor logs, and issuing or collecting access badges in accordance with site procedures.
Network System Administrator AmentumNetwork System AdministratorWashingtonNetworking: Expert knowledge of network protocols (TCP/IP, DNS, VLANs, VPNs), LAN/WAN management, routing, switching, and hands-on experience with hardware firewalls and VPNs. The ideal candidate will possess a strong primary background in network administration and engineering, coupled with robust systems administration experience across Windows, Linux, and Proxmox virtualization platforms.
Information System Security Officer (ISSO) LeidosInformation System Security Officer (ISSO)Lorton, VirginiaAugust 11, 2026 For 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Information System Security Manager (ISSM) LeidosInformation System Security Manager (ISSM)Lorton, VirginiaFacilitate approval process for Authorization to Operate (ATO), Authority to Extend (ATE), Authorization to Connect (ATC), and Interconnection Security Agreements (ISA), working with the customer and stakeholders to submit body of evidence artifacts and receive SCA/AO endorsement. August 11, 2026 For 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.
Systems Engineer III (SE3) WILLCORSystems Engineer III (SE3)Laurel, MarylandThis role works across internal organizations and service providers to address security requirements, support Cyber Task Orders, and provide security-relevant information to senior leadership. Support quick-turn responses on Cyber Task Orders, including applicability and migration strategy efforts.
Systems Engineer (SE)/Radio Frequency (RF) Engineer for Test and Evaluation (T&E) Solutions Scientific Research CorporationSystems Engineer (SE)/Radio Frequency (RF) Engineer for Test and Evaluation (T&E) SolutionsAlexandria, VirginiaFull timeEnsuring payloads are developed in an open architecture and with Modular Open Systems Approaches (MOSA); may include ensuring compliance with Government Reference Architecture (GRA), Open Mission Systems (OMA), or other architectures. About Us: Scientific Research Corporation is an advanced information technology and engineering company that provides innovative products and services to government and private industry, as well as independent institutions.
SW Developer - Operational Systems Engineer CACISW Developer - Operational Systems EngineerChantilly, VirginiaThe successful candidate will provide a professional evaluation, use-case alignment, and assessment of the potential technology stack, including support for physical hardware, KVM, Proxmox, and VMWare-based and other hypervisor platforms and tradeoffs before initial implementation with management approval. 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.
Endpoint Systems Engineer CACIEndpoint Systems EngineerChantilly, VirginiaPay 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. Collaborate with Operations teams and Government stakeholders to refine requirements and ensure availability, reliability, resiliency, and operability of endpoint services.
NewNetwork Based Systems Analyst II Solutions³ LLCNetwork Based Systems Analyst IIArlington, VATitle: Network Based Systems Analyst II Description: Solutions³ LLC provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Provide timely detection, identification, and alerting of possible attacks/intrusions, anomalous activities, and misuse activities and distinguish these incidents and events from benign activities.
NewHost Based Systems Analyst III Solutions³ LLCHost Based Systems Analyst IIIArlington, VAFull timeSolutions³ LLC is supporting our prime contractor and their U.S. Government customer on a large mission-critical provide remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based, and cloud-based cybersecurity analysis capabilities. Required Education: Bachelor of Science in Computer Science, Cybersecurity, Computer Engineering or related degree; or High School Diploma and 10+ years of host or digital forensics experience.
NewCombat Systems Engineer/Project Manager Sonalysts, Inc.Combat Systems Engineer/Project ManagerManassas, Virginia$130,000–$160,000 / yearFull timeBecoming an integral part of an innovative employee-owned company which includes: Flexible Time Program enabling an optimal work-life balance by permitting partners to arrange their work around personal appointments, parent-teacher conferences, children’s activities and the like, so long as the partner gets the job done on-time. Candidates are eligible for a clearance if they have demonstrated sound financial management (including good credit) over time, are free of criminal records, have limited foreign contacts or ties, and other factors indicative of a position of trust to protect information sensitive to the U.S. Government.
Linux Systems Administrator CACILinux Systems AdministratorChantilly, VirginiaPay 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. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
Senior Systems Engineer VTGSenior Systems EngineerReston, VirginiaFull timeOverview: VTG is seeking a Senior Systems Engineer to strategically safeguard critical national security interests by leveraging advanced systems intelligence and precision-targeted cyber capabilities. Responsibilities: We are seeking a System Engineer/Administrator with knowledge of Linux responsible for effective installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure.
Elasticsearch Systems Engineer (Sme) Leidos Holdings Inc.Elasticsearch Systems Engineer (Sme)Bethesda, MD$154,050–$278,475 / yearOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. For 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.
AI Systems Engineer KBRAI Systems EngineerChantilly, VA$152,600–$190,700 / yearYou will leverage the Government customer's massive enterprise datasets, spanning complex program budgets, scheduling, and financials, to build proof-of-concept models (including Large Language Models and financial predictive tools). Clean, curate, and pipeline this data to create high-quality training corpora, instruction-tuning datasets, and knowledge bases for Retrieval-Augmented Generation (RAG) to discover trends, anomalies, and optimization opportunities.
Systems Administrator VTGSystems AdministratorChantilly, VirginiaFull timeAs a System Administrator on this program, you will design, develop, implement, and maintain a Cloud-Native Service architecture that software development teams can leverage to use cloud capabilities. Responsibilities: This role provides technical leadership and delivers an innovative product, service, or a combination of products and services that address a customer's specific requirements.
Policy Governance and Standards Systems Architect Spry SquaredPolicy Governance and Standards Systems ArchitectAlexandria, VirginiaEmploy solution architecture and system engineering principles, processes, methods, models, artifacts, and tools to accomplish analysis, problem evaluation/diagnosis, and solution design across a variety of Systems Engineering / Architecture activities, including data gathering, requirements definition, use case development, gap analysis, functional specification creation, test plan development, test preparation, risk assessment and mitigation planning, and authoring of design specifications. Spry Squared provides organizations with Best in Class Enterprise Solutions, Managed IT Services, Cybersecurity Solutions, IT Professional Services, Recruiting Services, Project/Program Management and technology products.