Senior Network Administrator TATITLEK SUPPORT SERVICES, INC.Senior Network AdministratorDahlgren, VA$130,000–$150,000 / yearWhile performing the duties of this job, the employee is regularly required to stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear. Support and maintain fiber optic, coaxial, and twisted‑pair cable plants, including testing and troubleshooting.• Administer and maintain voice, video, and data networks (including VTC systems).•
Mission Trainer - Senior - #864 Allen Integrated SolutionsMission Trainer - Senior - #864Fort Belvoir, VirginiaProvides lesson plans / presentations / curricula in support of educational goals and maintains material within the assigned educational system (i.e. AGILE, Training Development Capability (TDC), etc.). Bachelor’s degree in an area related to the labor category from a college or university accredited by an agency recognized by the U.S. Department of Education.
Construction Materials Testing Senior Field Technician Come Join our TeamConstruction Materials Testing Senior Field TechnicianFredericksburg, VirginiaThe Sr Tech I position is responsible for helping to ensure public safety by traveling to construction sites to inspect the contractor's work, and perform basic field soil and concrete tests while supervising other technicians to verify the work is performed in accordance with project specifications. Our shared F&R/Employee values include: Safe & Healthy Work Environment, Value & Respect for F&R Employees and Clients, Trustworthiness, Technical Excellence, Continuous Improvement, and Financial Success.
Senior Controls Engineer - VA E-Technologies Group LLCSenior Controls Engineer - VAFredericksburg, VAWe're one of the largest engineering and system integration firms in the United States providing value for our clients through IT automation and control solutions for more than 30 years to the Life Sciences, Mission Critical, Metals & Mining, Warehousing & Distribution, and CPG/Food & Beverage industries. We are seeking an enthusiastic and experienced Senior Controls Engineer to be responsible for leading or contributing to detailed hardware and software design of process automation control systems projects.
NewSenior Controls Engineer E-Technologies Group LLCSenior Controls EngineerManassas, VAWe're one of the largest engineering and system integration firms in the United States providing value for our clients through IT automation and control solutions for more than 30 years to the Life Sciences, Mission Critical, Metals & Mining, Warehousing & Distribution, and CPG/Food & Beverage industries. To be successful, you must be an effective collaborator with customers and other associates to deliver the best solution and be willing and able to take direction from project management leaders.
Construction Materials Senior Project Manager ECS LtdConstruction Materials Senior Project ManagerFredericksburg, Virginia$70,000–$90,000 / yearECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). Bachelor of Science in any of the following: Civil Engineering, Construction Engineering and Management, Materials Science Engineering, Architectural Engineering, or Geology; Note: Construction Management degrees and certain Technology degrees may not be considered.
Senior Systems Engineer CACI International IncSenior Systems EngineerFort Belvoir, VA$113,200–$237,800 / yearRequires a thorough knowledge of the Systems Engineering Management Process and Implementation, as applied to the Department of Army/DOD Acquisition process throughout all life cycle phases (requirements analysis through production and deployment); knowledge of DOD policies on Systems Engineering, Integrated Product and Process Development (IPPD) and IPT Management; and ability to coordinate and negotiate design and engineering activities with other related programs and organizations. 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.
Counterintelligence Operations Instructor - Senior CACI International Inc.Counterintelligence Operations Instructor - SeniorQuantico, VA$84,900–$178,400 / yearEmploy blended learning techniques to include a combination of eLearning tools, lectures, classroom discussions, team exercises, readings, case studies, role plays and demonstrations of required skills through work-related tasks. 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.
Counterintelligence Operations Instructor - Senior Level CACI International IncCounterintelligence Operations Instructor - Senior LevelVA$84,900–$178,400 / yearEmploy blended learning techniques to include a combination of eLearning tools, lectures, classroom discussions, team exercises, readings, case studies, role plays and demonstrations of required skills through work-related tasks. 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.
Senior Windows Systems Administrator TATITLEK SUPPORT SERVICES, INC.Senior Windows Systems AdministratorDahlgren, VAWhile performing the duties of this job, the employee is regularly required to stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear. ESSENTIAL DUTIES AND RESPONSIBILITIES: Possess the ability to install, configure and maintain Operating Systems.• Manage the installation and integration of systems fixes, updates and enhancements Conduct testing, troubleshooting, performance optimization and maintenance of hardware and software systems.•
Senior Linux/Unix IT Systems Administrator TATITLEK SUPPORT SERVICES, INC.Senior Linux/Unix IT Systems AdministratorDahlgren, VAThe specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA''s); UNIX system administration of Solaris, UNIX scripting, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, and security setup and updates (IAVA''s); Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Thin Clients (hardware/software), Networking and documentation creation/updates. While performing the duties of this job, the employee is required to use fabrication tools; stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell.
Senior Linux Database Systems Administrator TATITLEK SUPPORT SERVICES, INC.Senior Linux Database Systems AdministratorDahlgren, VAThe specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA''s); UNIX system administration of Solaris, UNIX scripting, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, and security setup and updates (IAVA''s); Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Thin Clients (hardware/software), Networking and documentation creation/updates. While performing the duties of this job, the employee is required to use fabrication tools; stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell.
Senior Windows Desktop Systems Administrator TATITLEK SUPPORT SERVICES, INC.Senior Windows Desktop Systems AdministratorDahlgren, VAThe specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA''s); UNIX system administration of Solaris, UNIX scripting, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, and security setup and updates (IAVA''s); Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Thin Clients (hardware/software), Networking and documentation creation/updates. While performing the duties of this job, the employee is required to use fabrication tools; stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell.
Senior Unix/Linux Systems Administrator TATITLEK SUPPORT SERVICES, INC.Senior Unix/Linux Systems AdministratorDahlgren, VAThe specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA''s); UNIX system administration of Solaris, UNIX scripting, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, and security setup and updates (IAVA''s); Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Thin Clients (hardware/software), Networking and documentation creation/updates. While performing the duties of this job, the employee is required to use fabrication tools; stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell.
Senior Field Service Representative Eaton Corporation PlcSenior Field Service RepresentativeManassas, VA$101,000–$148,000 / yearHigh school diploma or higher with a minimum of 3 years of experience testing, troubleshooting, evaluating, and servicing electrical distribution and control systems, or in lieu of HS diploma or GED, completion of accredited trade school and/or program completion with 7 or more years of experience evaluating and servicing electrical distribution or control systems. Skills: Position Success Criteria: Successfully complete and maintain compliance with Eaton's safety program and policy; This includes role-applicable portions of the EESS Qualified Electrical Worker (QEW) program and any required annual re-certifications thereafter.
NewSenior Okta Architect/Engineer (Quantico) Marathon TS, Inc.Senior Okta Architect/Engineer (Quantico)Quantico, VAThis senior-level role requires deep expertise in designing and implementing complex IAM architectures that ensure the confidentiality, integrity, and availability of our organization's data and systems across a large-scale, hybrid enterprise environment. The ideal candidate will serve as the technical authority for our Okta platform, responsible for enterprise-wide architecture, strategic planning, advanced implementation, and optimization of our Okta Identity and Access Management solutions.
HUMINT Desk Officer - Senior Bluehawk, LLCHUMINT Desk Officer - SeniorFort Belvoir, VABLUEHAWK, LLC is seeking a highly experienced HUMINT Desk Officer (Senior) to support strategic HUMINT operations, operational coordination, and intelligence mission management within the Intelligence Community (IC) and Department of Defense (DoD). The ideal candidate will possess extensive experience conducting and managing controlled HUMINT operations, supporting intelligence planning and operational synchronization efforts, and providing strategic-level coordination across sensitive mission environments.
NewSenior Configuration Analyst Syms Strategic Group, LLC (SSG)Senior Configuration AnalystFredericksburg, VARemoteFull timeFormal Education Bachelor’s degree or higher in Computer Science, Engineering, or a related technical discipline and 10+ years’ relevant experience; eight (8) or more years of relevant experience may be substituted for education Citizenship Requirement U.S. Citizenship required for this specific opportunity Security Clearance Requirements Must possess or qualify for a Public Trust (MBI) CRITICAL NOTES: SSG will not make assumptions regarding your qualifications. Develop and maintain software configuration management (CM) tools to support configuration identification, control, reporting, and delivery of both internally developed software and externally purchased commercial-off-the-shelf (COTS) software products.
Senior Systems Engineer - Tomahawk Weapons System SimVentions, IncSenior Systems Engineer - Tomahawk Weapons SystemFredericksburg, Virginia$126,000–$155,000 / yearFull timeProvide engineering expertise during IPT meetings, Software Requirements Management Boards (SRMB), Engineering Review Boards (ERB), Deficiency Review Boards (DRB), Development and Deployment reviews, Configuration Control Boards (CCB), Interface Working Groups (IWG), and Single System Initiative (SSI) Reviews by performing package development, package review, and comment and documentation of results. We are looking for a Senior Systems Engineer to serve alongside a high-functioning team of engineers supporting the design of TTWCS software (e.g., requirements, capabilities, enhancements, interface documents, architecture).
NewSenior Cyber Tools Architect/Engineer (Quantico) Marathon TS, Inc.Senior Cyber Tools Architect/Engineer (Quantico)Quantico, VAThe ideal candidate will serve as the technical authority for cybersecurity tools, platforms, and frameworks, responsible for defining, designing, and enhancing enterprise-wide security architectures that protect our organization's critical assets, data, and systems across complex, hybrid, and multi-cloud environments. Marathon TS is hiring a Senior Cybersecurity Tools Architect/Engineer in support of our Defense Counterintelligence Security Agency (DCSA) program based out of Quantico, VA.This is primarily a Telework position with a requirement to be onsite at least two (2) days a week or as needed at Quantico Marine Corps Base, VA.