Network Engineer 5 - Chantilly, VA M.C. Dean IncNetwork Engineer 5 - Chantilly, VAChantilly, VAAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Assists Senior Engineers in preparation of Designs, including: Narrative Design Documents, Systems Designs, Subsystem Designs (CAD / Panels / Layouts / Wiring / Hardware / Communications).
Senior Antenna & RF Design Engineer UmbraSenior Antenna & RF Design EngineerReston, VirginiaIn this role, you will lead the end-to-end design, analysis, and optimization of high-performance RF components—including antennas, antenna feed networks, orthomode transducers (OMTs), waveguide components, circulators, and other passive microwave devices—enabling precision RF front-end performance for mission-critical applications. To comply with federal export controls, all persons hired must be a U.S. citizen, U.S. national, U.S. lawful permanent resident, refugee or asylee as defined by 8 U.S.C. § 1324b(a)(3), or must otherwise be eligible to obtain the required authorizations from the U.S. Department of State and/or U.S. Department of Commerce as applicable.
Network Engineer 4 - Washington, DC M.C. Dean IncNetwork Engineer 4 - Washington, DCWashington, DC$125,120–$187,680 / yearAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. The Network Engineer works to maintain network reliability, resolve issues promptly, and collaborate with other IT teams to ensure that networking systems support the organizations operational needs.
Network Engineer 3 - Washington DC M.C. Dean IncNetwork Engineer 3 - Washington DCWashington, DC$104,240–$156,360 / yearAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Assists Senior Engineers in preparation of Designs, including: Narrative Design Documents, Systems Designs, Subsystem Designs (CAD / Panels / Layouts / Wiring / Hardware / Communications).
DevOps Engineer 5 M.C. Dean IncDevOps Engineer 5Chantilly, VAAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Working knowledge of MS Windows platform and services, including Active Directory / EntraID, Group Policy Objects (GPO), virtual desktop infrastructure (VDI), application deployment frameworks and components, networking, and storage services, and their associated cybersecurity characteristics, logging, monitoring, and auditing capabilities.
Network Engineer 3 - Chantilly, VA M.C. Dean IncNetwork Engineer 3 - Chantilly, VAChantilly, VAAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Assists Senior Engineers in preparation of Designs, including: Narrative Design Documents, Systems Designs, Subsystem Designs (CAD / Panels / Layouts / Wiring / Hardware / Communications).
Deployment Network Engineer M.C. Dean IncDeployment Network EngineerSpringfield, VAAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Candidate duties, responsibilities and skill sets needed to be successful: Candidates must be detail oriented, with excellent communication skills (both written and verbal), ability to communicate with all levels of the organization and to present complex and technical concepts to non-technical team members.
Travel Commissioning Engineer 3 - Tysons, VA M.C. Dean IncTravel Commissioning Engineer 3 - Tysons, VATysons, VA$104,240–$156,360 / yearThe Commissioning Engineer team is responsible for performing final testing, startup, and commissioning of low and medium voltage electrical distribution equipment, including breakers, transformers, switches, switchgear, relays, and motor control centers, as well as other electrical apparatus both in the field and in a manufacturing environment. Assists senior Commissioning Specialists and Managers in coordinating, executing, and reviewing MEP commissioning deliverables, including mechanical, electrical, plumbing, fire protection, life safety, and building automation systems.
Travel Commissioning Engineer 4 - Tysons, VA M.C. Dean IncTravel Commissioning Engineer 4 - Tysons, VATysons, VA$125,120–$187,680 / yearParticipates in and contributes to technical meetings with customers, design engineering, construction, vendors, and commissioning leadership to resolve system and integration issues. Supports and contributes to constructability and design coordination reviews, identifying potential commissioning, access, sequencing, and testing challenges across MEP systems.
AV Design Engineer 3 - Tysons, VA M.C. Dean IncAV Design Engineer 3 - Tysons, VATysons, VA$104,240–$130,300 / yearAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Education/Experience: Bachelor's Degree in Computer Science, Electrical Engineering, or a Related Engineering Discipline with 5+ years' OR Master's Degree in Computer Science, Electrical Engineering, or a Related Engineering Discipline with 3+ years' of progressive experience in the following: Developing and implementing hardware and software solutions for data center and virtual infrastructure technologies.
Travel Commissioning Engineer 2 - Tysons, VA M.C. Dean IncTravel Commissioning Engineer 2 - Tysons, VATysons, VA$90,640–$135,960 / yearThe Commissioning Engineer team is responsible for performing final testing, startup, and commissioning of low and medium voltage electrical distribution equipment, including breakers, transformers, switches, switchgear, relays, and motor control centers, as well as other electrical apparatus both in the field and in a manufacturing environment. Assists more experienced Commissioning Specialists and Managers in coordinating, executing, and reviewing MEP commissioning deliverables, including mechanical, electrical, plumbing, fire protection, life safety, and control systems.
Python Full Stack Developer (TS/SCI clearance) System OnePython Full Stack Developer (TS/SCI clearance)Suitland-Silver Hill, MD$250,000–$270,000 / yearOn any given week, you might be extending a Django-based API gateway, building a new React dashboard for an operational workflow, writing migration scripts to bring legacy data into a modern PostgreSQL schema, or wiring up Keycloak authentication for a new service. We are looking for a Full Stack Developer who combines deep Python expertise with genuine frontend craftsmanship, thrive in classified environments, and bring the kind of disciplined engineering mindset that produces secure, maintainable systems under real operational pressure.
Tech Specialist 3 (BMS and EMCS) M.C. Dean IncTech Specialist 3 (BMS and EMCS)Tysons, VATechnical Specialist 3 (BMS & EMCS) provides senior-level technical support for the startup, commissioning, integration, and troubleshooting of Building Management Systems (BMS), Electrical Monitoring and Control Systems (EMCS), and Electrical Power Monitoring Systems (EPMS). The Technical Specialist 3 plays a key role in ensuring systems perform in accordance with design intent, specifications, and operational requirements, while maintaining safe work practices and supporting high-quality project delivery across Virginia, Washington DC, Maryland, and other U.S. project locations.
Operating Engineer II ComstockOperating Engineer IIReston, Virginia$38–$41 / hourWork under variable temperature conditions (or extreme heat or cold), under variable noise levels, outdoors/indoors, around fumes and/or hazards, around dust and/or mite hazards, around chemicals and bio-hazards. Maintain and repair plumbing components including toilets, urinals, lavatories, flush valves, water fountains, sinks, drains, water heaters, piping, and sump pumps.
Quality Engineer 2 M.C. Dean IncQuality Engineer 2Annapolis Junction, MD$90,640–$113,300 / yearHeadquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. Document tailored processes across the value stream using ISO, CMMI, Agile, Lean Six Sigma, PMBOK, ITIL and other internationally recognized process frameworks.
Building Automation Design Engineer (VA3) CoreSite Realty CorpBuilding Automation Design Engineer (VA3)Reston, VABuilding Automation Design Engineer's Role: As a member of the company's engineering team, the Building Automation Design Engineer will provide support for building automation design, execution and monitoring. While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to handle, or feel objects; reach with hands and arms; climb stairs; balance; stoop or kneel; talk and hear.
Sales Engineer, Infrastructure Vertical (USA-Remote) Regal Rexnord CorpSales Engineer, Infrastructure Vertical (USA-Remote)Linthicum, MDRemote$120,000–$150,000 / yearYou will be responsible for developing the go-to-market strategy, building channel partnerships, and driving long-lead, high-value opportunities within sectors such as hospitals, healthcare networks, educational institutions, municipal facilities, water/wastewater plants, airports, and other public-sector environments. The Company's end markets benefit from meaningful secular demand tailwinds, and include factory automation, food & beverage, aerospace, medical, data center, warehouse, alternative energy, residential and commercial buildings, general industrial, construction, metals and mining, and agriculture.
Substation Engineer 3 Grid Sargent & Lundy LLCSubstation Engineer 3 GridWashington, DC$74,353–$113,595 / yearIn this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Many engineers in these roles build or use automation to create calculations, summarize technical documents, or draft design documentation, including appropriate use of agentic AI tools, with strong engineering judgment and verification of results.
Commissioning Project Engineer FST Technical ServicesCommissioning Project EngineerArlington, VA$90,000–$120,000 / yearAdministrative activities include supporting the team leader in coordinating with other project engineers and senior project engineers regarding weekly staff scheduling, training/mentoring team members on proper documentation, field procedures, and equipment usage, and participating in the company-wide safety and training programs. Additional activities include executing target billable hours, managing tasks within time budgeted, leading cx meetings, assisting the construction team with identifying/solving technical issues when they arise, and maintaining positive relations with existing clients on assigned projects.
Senior Commissioning Engineer FST Technical ServicesSenior Commissioning EngineerArlington, VA$120,000–$140,000 / yearAdministrative activities include supporting the team leader in coordinating weekly staff scheduling, training/mentoring team members on proper documentation, field procedures, and equipment usage, participating in and leading sessions of the company-wide developmental safety and training programs, and supporting revenue targets and quality assurance goals by expanding relationships with existing clients. Additional activities include executing target billable hours, managing tasks within time budgeted, leading Cx meetings, assisting the construction team with identifying/solving technical issues when they arise, and interpreting contract documents to predict scope gaps, maximize opportunities to provide value for clients, and reduce risk.