Senior Close Access Network Operator Oak Grove Technologies, LlcSenior Close Access Network OperatorFort Belvoir, VAOak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Senior Close Access Network Operator to support red team assessments and offensive cyber operations requiring physical proximity, covert access, and non-traditional network entry techniques. Professional Certification(s) required for this position are as follows: Must hold an IAT Level III certification as defined and described in DoDD 8570.01, 8570.01-M, 8140.01-03, and as amended.
Senior Wireless Network Operator Oak Grove Technologies, LlcSenior Wireless Network OperatorFort Belvoir, VAOak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Senior Wireless Network Operator to conduct advanced wireless-focused red team assessments and offensive cyber operations. Professional Certification(s) required for this position are as follows: Must hold an IAT Level III certification as defined and described in DoDD 8570.01, 8570.01-M, 8140.01-03, and as amended.
Red Team Senior Close Access Network Capability/Wi-Fi Developer Oak Grove Technologies, LlcRed Team Senior Close Access Network Capability/Wi-Fi DeveloperFort Belvoir, VAOak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Red Team Senior Close Access Network Capability/Wi-Fi Developer to support DCART through the advanced development, integration, and validation of proximity-enabled wireless access capabilities used during authorized threat emulation assessments. This role focuses on the research, development, and operationalization of mission-specific tooling to enable DCART operators to achieve initial access and maneuver within enterprise environments protected by modern Endpoint Detection and Response (EDR) and Identity Detection and Response (IDR) solutions.
Senior Red Team Wifi Developer Oak Grove Technologies, LlcSenior Red Team Wifi DeveloperFort Belvoir, VAHost-based and network-based forensics, cyber incident response, cyber-criminal investigations, intrusion detection/analysis, and designing countermeasures and mitigations for programming language weaknesses and vulnerabilities. Software vulnerability research and exploit development, including exploits, shellcode, and bypass techniques for mitigations such as NX (nonexecutable stack), ASLR, and advanced exploit protections.
Senior Cano Developer Oak Grove Technologies, LlcSenior Cano DeveloperFort Belvoir, VASoftware vulnerability research and exploit development, including exploits, shellcode, and bypass techniques for mitigations such as NX (nonexecutable stack), ASLR, and advanced exploit protections. Host-based and network-based forensics, cyber incident response, cyber-criminal investigations, intrusion detection/analysis, and designing countermeasures and mitigations for programming language weaknesses and vulnerabilities.
Senior Project Controls Specialist T.Y. Lin InternationalSenior Project Controls SpecialistAlexandria, VA$150,000–$180,000 / yearTYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. We are seeking a Senior Project Controls Specialist (Scheduler) to work for our PMCM group on various rail/transit CMCI projects.
Senior Electrical Engineer T.Y. Lin InternationalSenior Electrical EngineerAlexandria, VA$120,000–$170,000 / yearTYLin is seeking a highly skilled and motivated Senior Electrical Engineer with expertise in traction power and transportation electrical systems to support the planning, design, and delivery of complex infrastructure projects across the Mid-Atlantic region. This role is ideal for a senior electrical engineer with experience designing complex power distribution and transportation electrical systems, including traction power, substations, utility coordination, and electrification infrastructure.
RF Analyst - Senior KBRRF Analyst - SeniorSpringfield, VA$183,600–$224,300 / yearThis role develops and applies electromagnetic effects models, conducts advanced risk assessments, and advises on protective measures to ensure system resilience against RF-DE impacts (e.g., HPM/HIRF). KBR is seeking an Senior Engineering RF Analyst to provide expert-level technical leadership in assessing, analyzing, and mitigating RF directed-energy threats to mission-critical systems.
Senior Utilities Engineer (CEIV) City of AlexandriaSenior Utilities Engineer (CEIV)Alexandria, VA$93,315.56–$164,215.48 / yearOverview: The Senior Right-of-Way Engineer provides high-level leadership and technical oversight for the City's Utility Inspections team and supports the overall management of the Permits and Inspections Division within the Department of Transportation and Environmental Services (T&ES). In addition, the Senior Right-of-Way Engineer assists the Division Chief of the Permits and Inspections Division in overseeing all operations, including the Permit Center, development project reviews, and coordination across City departments to ensure efficient and consistent service delivery.
Senior Product Manager Axiologic Solutions LLCSenior Product ManagerSpringfield, VAAgile/scrum experience, and familiarity with Agile methodologies or certifications, such as Scrum Master · Experience working in a joint military environment · A Master's Degree in a relevant field such as Computer Science, Information Technology, Business, or a related discipline. · Some understanding of coding or software development, especially in languages or tools commonly used in AI · Cross-functional collaboration, experience working with diverse teams, such as data scientists, engineers, vendors, and military professionals.
ACT (Assertive Community Treatment) Senior Clinical Psychiatrist - Part Time City of AlexandriaACT (Assertive Community Treatment) Senior Clinical Psychiatrist - Part TimeAlexandria, VA$59.33–$115.44 / hourPrepares or signs reports in a timely manner, ensures hand written documents are legible and in accordance with safety writing procedures; Participates in daily team meetings; Ensures harmonious working relationships with co-workers, clients and others; Provides crisis intervention and/or ensures flexibility to intervene on emergency situations; Provides consultation services to, and develops treatment plans with clients and staff; Provides guidance and leadership with ACT clients; Administers medications in emergency situations; Provides psychiatric services where needed by clients including in homes, shelters, and other community locations. Certification by the American Board of Psychiatry and Neurology as a General Psychiatrist (Diplomate), and possession of a Doctor of Medicine or Osteopathy Degree; three years of experience in the practice of Psychiatry at the level of Clinical Psychiatrist; satisfactory completion of a residency program in Psychiatry; or any equivalent combination of experience and training which provides the required knowledge, skills and abilities.
Senior Electrical Engineer (Engineer Electrical 4) - 27790 HII Mission Technologies DivisionSenior Electrical Engineer (Engineer Electrical 4) - 27790Alexandria, VA$121,896–$191,000 / yearOur workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. 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.
Construction Materials Senior Project Manager Engineering Consulting Services LtdConstruction Materials Senior Project ManagerFredericksburg, VA$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 #50 in Zweig Group's Hot Firm List (May 2025). 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 Unix/Linux Systems Administrator The Tatitlek CorporationSenior Unix/Linux Systems AdministratorDahlgren, VirginiaFull timeThe 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 Systems Administrator The Tatitlek CorporationSenior Windows Systems AdministratorDahlgren, VirginiaFull timeWhile 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. The specialized experience includes Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Thin Clients (hardware/software) and documentation creation/updates.
*Senior Business and Financial Analyst* TATITLEK SUPPORT SERVICES, INC.*Senior Business and Financial Analyst*Dahlgren, VASUMMARY: The Senior Business and Financial Analyst performs advanced financial analysis in support of assigned programs, including preparing financial reports, forecasts, and budget submissions, processing and tracking requisitions, monitoring expenditures against approved budgets, supporting month-end and year-end close processes, and utilizing Enterprise Resource Planning (ERP) financial software. This role requires seven (7) years of experience performing financial analysis, with demonstrated experience in financial reporting, budgeting, requisitioning, forecasting, and utilization of ERP financial software.
Senior Project Manager (UiPath) LeidosSenior Project Manager (UiPath)Alexandria, VA$92,300–$166,850 / yearThe successful candidate will work closely with government stakeholders, technical teams, cloud engineers, customer success personnel, and program leadership to coordinate cloud migration and modernization activities, facilitate application onboarding efforts, and ensure successful delivery of project objectives. The DigitalSector at Leidos is seeking a Project Manager to support cloud modernization initiatives for the United States Coast Guard (USCG) at the Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area.
Senior Guard (Srg) - WPS III (Somalia) Acuity InternationalSenior Guard (Srg) - WPS III (Somalia)Quantico, VAMust attend and successfully complete a supervisory course meeting the requirements established in WPS III IDIQ, Attachment 1, Position Descriptions, Section 1.2.C. Upon bio approval and before beginning work on the contract, the SRG shall: Attend and successfully complete the applicable guard training course, as outlined in WPS III IDIQ, Attachment 2, Training. U.S. citizen and TCN guard personnel shall qualify with the Glock-19, M4 or MK18 as specified by the designated TO, M240, and M249, re-qualifying as required in WPS III IDIQ, Attachment 2, Training.
Senior Linux Database Systems Administrator The Tatitlek CorporationSenior Linux Database Systems AdministratorDahlgren, VirginiaFull timeThe 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/Unix IT Systems Administrator The Tatitlek CorporationSenior Linux/Unix IT Systems AdministratorDahlgren, VirginiaFull timeThe 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.