Mechanical Engineer 2 - Active TS/SCI
M. C. Dean
Overview About M.C. Dean M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. Why Join Us? Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values—agility, expertise, and trust—we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. Clearance Requirement Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; Active TS/SCI clearance required to start. Candidates must be willing and able to obtain a Polygraph as a condition of continued employment. Disclaimer Applicant must successfully meet all customer-imposed requirements. Such requirements may include, but are not limited to, completion of a customer-provided weapons qualification program, successful completion of customer-directed medical screening, and fulfillment of any additional training, certifications, or evaluations as required by the customer. Responsibilities As a Mechanical Engineer, you will be part of a multidisciplinary engineering and construction team responsible for developing, integrating, and delivering engineering solutions for complex mechanical projects within the mission critical sector. This role involves producing a wide range of project deliverables, including engineering drawings, specifications, equipment and product selection, installation sequence planning, and development of testing and commissioning documents. This position is designed for an experienced engineer with a working knowledge of industry concepts, practices, and techniques. The Mechanical Engineer is expected to independently identify, analyze, and resolve engineering challenges of moderate scope and complexity while operating with limited to moderate supervision. Perform calculations, evaluations, equipment selection, equipment specification, system design, system layout for project proposal and contract execution Determine or assist in determining project engineering scopes of work, deadlines, and budget, and complete support within agreed deadlines and budget. Produce construction contract drawings and specifications consistent with contract requirements and Regulations, applicable industrial Codes and Standards Address any mechanical design, fabrication, construction, and commissioning issues Develop system sequence of operations, compliance matrices and other project support documentation Participate in Pre-Installation Testing and Checkout (PITCO) processes including system programming, integration testing, and equipment build outs. Participate in and ensure successful project construction, start up, and commissioning Documentation of design work via AutoCAD and REVIT in 2D and 3D platforms Provide support for construction activities, including but not limited to, responses to Requests for Information, review of project equipment submittals, and technical support of operations management. Research, prototype, and develop emerging technologies to implement the latest and best-in-bread capabilities to meet the customers’ emerging needs. Keep senior staff informed of important and relevant service/design decisions and that the objectives of the company and the client are achieved. Manage your time effectively and support multiple projects concurrently. Qualifications Bachelor’s degree in mechanical engineering from an accredited engineering program. 2+years of relevant experience in design, testing and commissioning of building power systems. Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; Active TS/SCI clearance required to start. Candidates must be willing and able to obtain a Polygraph as a condition of continued employment. Strong application knowledge of ASHRAE Handbook and Standards. Possess a strong working knowledge of mechanical, HVAC, and cooling systems, including applicable codes and industry standards. Excellent oral and written communication, interpersonal, problem solving and analytical skills. Preferred Qualifications Fundamentals of Engineering certification or Professional Engineer license. Proficiency with the latest version of AutoCAD and Revit experience. Strong communication, coordination, and documentation skills. Demonstrated time management and organization skills working independently to meet deadlines and quality objectives. We offer an excellent benefits package including: A competitive salary Medical, dental, vision, life, and disability insurance Paid time off Tuition reimbursement 401k Retirement Plan Military Reserve pay offsetPaid maternity leave Abilities Exposure to computer screens for an extended period of time. Sitting for extended periods of time. Reach by extending hands or arms in any direction. Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard. Listen to and understand information and ideas presented through spoken words and sentences. Communicate information and ideas in speaking so others will understand. Read and understand information and ideas presented in writing. Apply general rules to specific problems to produce answers that make sense. Identify and understand the speech of another person. #J-18808-Ljbffr M. C. Dean
- ...employs more than 7,000 professionals who engineer and deploy automated, secure, and... ...for access to classified information. Active TS/SCI clearance is required to start. Candidates... ...Responsibilities Design Work Develop and review mechanical system designs (HVAC, piping, plumbing,...SuggestedFor contractorsFor subcontractorLocal area
- M. C. Dean is seeking a Mechanical Engineer in Alexandria, Virginia. This role involves developing... ...sector. Candidates must have at least 2 years of experience in design, testing... ...strong knowledge of mechanical systems. Active TS/SCI clearance is mandatory for this position...Suggested
- ...contractor located in Alexandria, VA, is hiring multiple Mechanical Engineers. The roles involve designing and developing mechanical systems... ...in engineering, hold appropriate degrees, and have an active TS/SCI clearance. Competitive salary range is provided, along with...SuggestedFor contractors
- Cynnovative is seeking a Software Engineer (ML Visualization & Tooling) in Arlington, Virginia. The role involves developing user interfaces... ...frontend development skills with React/TypeScript, and an active TS/SCI security clearance. This on-site position emphasizes...Suggested
- ...Trellix Endpoint Data Loss Prevention (DLP) Engineer. Serve as the technical owner for Trellix... ..., data protection, or endpoint security 2+ years of experience with Trellix... ...data movement patterns and policy outcomes Active TS/SCI clearance; willingness to take a polygraph...SuggestedTemporary workRelocation package
- ...an Air Systems Cybersecurity Engineer at GDIT. Shape what’s next... ...system security engineering activities. Provide Information system... ...Security Clearance Level: Active TS/SCI ~ Required Experience: 5+... ...of weapons system security mechanisms. ~5 years of experience working...Contract workWork at officeWork from homeFlexible hours
- Amentum is seeking an Automotive Mechanic in Falls Church, Virginia. This key role involves maintaining a fleet of vehicles and ensuring they are safe and dependable. Applicants must hold an Active TS/SCI clearance with Polygraph, along with a high school diploma or an...
- ...challenges. You will lead a team as they engineer solutions to complex challenges for customers... ...using knowledge network engineering, Active Directory, and system administration.... ...in virtualized architectures ~ Active TS/SCI clearance; willingness to take a polygraph...Temporary workRelocation package
- ...owned consulting firm is seeking a Senior Scientist/Engineer to provide support for the Office of the... ...documentation, and ensuring quality deliverables in high-pressure situations. A TS/SCI clearance is also required for this role. #J-18808-Ljbffr 2 Circle Consulting, Inc.Work at office
- ...As a VDI Engineer supporting the Government, you will be trusted to engineer new and improved enhancements for existing and emerging... ...or Bachelor's degree and 6+ years of experience Must have an Active TS/SCI ; willing to obtain a CI Poly Experience performing...Temporary workRemote workRelocation package
- ...As a Systems Engineer supporting the Government, you will be a part of a team charged with engineering IDAM technologies such as digital... ...support towards mission success Requirements ~ Active TS/SCI clearance and ability to obtain and maintain a CI poly. ~...Temporary workRelocation package
- We are seeking an experienced Suricata Engineer to join our cybersecurity team. The ideal... ...Suricata configuration and deployment tasks. TS/SCI clearance with the ability to obtain a... ...experience supporting IT projects and activities or Bachelor’s degree and 3+ years of...Temporary workRelocation package
- ...Arlington, VA (Pentagon) Clearance Required: TS/SCI minimum (US Citizen) Employment Type:... ...Analytics is seeking a Chief System Engineer, SME to provide high-level technical and... .... Lifecycle & Risk Management: Execute activities supporting the DoD 5000 series acquisition...Full timeContract workFor contractorsWork at office
$200k - $220k
...related RMF artifacts. Conduct continuous monitoring activities and coordinate vulnerability remediation with engineering teams. Interface directly with DISA and other... ...authorization lifecycle. Requirements Active TS/SCI clearance (no exceptions). 5+ years of hands‑on...Temporary workLocal area- ...Responsibilities include executing maintenance tasks, troubleshooting issues, and maintaining operational documentation. The role requires an active TS/SCI CI Poly clearance and offers a 9-month contract. The ideal candidate should have at least 3 years of relevant experience and a...Contract work
- ...responsible for executing system maintenance activities, including implementing updates,... ...a broader team of systems maintainers, engineers, and program stakeholders to support continuous... ...onsite 5 days a week and requires a TS/SCI CI Poly clearance. This will be a 9‑month...Contract work
- Job Description Job Description Chief Engineer / Lead Architect - Joint Base Anacostia-Bolling, Washington, D.C. - Active TS/SCI Clearance Required
- ...clients has multiple Full Time openings for Systems Engineers with an active Top Secret clearance with SCI eligibility to work in their Fairfax, Virginia headquarters... ...development, testing or systems integration Active TS/SCI clearance Ability and desire to work...Full timeRemote work
$200k - $225k
Riptide Technology is seeking a Senior Systems Engineer to support Research and Development (R&D) work at the Naval Research Laboratory... ...This position will require U.S. citizenship and an active DoD TS/SCI clearance. The position requires the ability to obtain and maintain...Temporary workImmediate start$80.75k - $125k
Huntington Ingalls Industries is seeking an Electrical Engineer for their Alexandria, VA location to support the design and integration... ...with relevant experience or a Master’s degree, and must possess a TS/SCI security clearance. We offer competitive benefits alongside a...- Part‑Time Senior Engineer/Scientist, TS/SCI Arlington, VA The level of effort is 25% with time dedicated to mission planning, test and evaluation, and technology assessments. Responsibilities Identify and implement mission planning for long range effects. Identify and...Part timeLocal area
$183k
...Identity and Access Management Systems Engineer Location: Arlington, Virginia Category... ...: No Remote Clearance: Top Secret/SCI or higher Salary: Upto $183k - DOE... ...GICSP, GSEC, Security+ CE, CND, SSCP). · Active TS/SCI clearance with the ability to obtain...Full timeRemote workShift work$120k - $150k
Medium is seeking a Senior Test Engineer / Business Analyst to support the FBI FDP product team in Washington D.C. This role involves... ...have at least 8 years of relevant experience and possess an active TS/SCI clearance. We offer a competitive salary ranging from $120,00...- Lockheed Martin is hiring a level 3 Product Quality Engineer at Fort Belvoir, VA to enhance product quality workflows. Candidates must have proficiency in Python and an active TS/SCI with CI Poly security clearance. The engineer will analyze workflows, develop automation...Full time
- ...Innovators, Inc in Arlington, VA is seeking a Part-Time Senior Engineer/Scientist to focus on mission planning and technology assessments... ...or a related field, strong technical leadership skills, and a TS/SCI clearance requirement. The position is on-site at the client...Part time
- ...with EPA and OSHA standards. Qualified candidates should have at least 5 years of experience in commercial HVAC/R maintenance, an active TS/SCI clearance, and a Universal EPA 608 certification. A Master HVAC license in DC, Virginia, or Maryland is preferred. #J-18808-...
$103.8k - $218.1k
A leading national security firm is seeking a Mechanical Engineer to support National Security Initiatives in McLean, Virginia. This role entails... ...of mechanical engineering experience and possess a current TS/SCI clearance with Polygraph. Competitive salary ranging from $1...- ...defense services provider is seeking a Defense Red Switch Network Engineer in Arlington, VA. This full-time position requires excellent communication skills, an active TS/SCI clearance, and a Bachelor’s degree with 2+ years of relevant experience. The successful candidate...Full timeNight shift
- Location: Bethesda, MD Category: Systems Engineering Travel Required: No Remote Type: No Clearance: TS/SCI Sunayu, LLC is looking for a highly skilled Systems Engineer... ..., CISSP, GCED, GCIH, CCSP). Security Clearance Active TS/SCI clearance with Polygraph required OR...Temporary workWork experience placementImmediate startRemote work
- Koniag Information Security Services, LLC is searching for a Chief Engineer to oversee all building operations in Arlington, VA. This role demands a TS/SCI security clearance and requires a minimum of 5 years in a supervisory capacity, focusing on power plant and facility...
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