HVAC Controls Technician 4 - (U) TS/SCI - Washington, DC with Security Clearance
$50 - $60 per hourUnofficial M.C. Dean
Overview 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. 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 Top‑Secret/SCI with polygraph clearance required. Responsibilities We are seeking a skilled HVAC Technician with hands‑on Niagara (Tridium) experience to support, troubleshoot, and maintain building mechanical systems and building automation infrastructure. The ideal candidate has strong technical expertise in HVAC operations, controls integration, and BAS networked environments. Perform preventive and corrective maintenance on HVAC equipment, including air handlers, VAVs, heat pumps, chillers, boilers, exhaust systems, and related mechanical components. Troubleshoot system performance issues using Niagara‑based Building Automation Systems (Niagara AX/N4). Monitor, adjust, and optimize BAS schedules, setpoints, alarms, and equipment sequences. Perform field‑level diagnostics on sensors, actuators, controllers, VFDs, and communication wiring. Assist with BAS integrations, point‑to‑point testing, and commissioning activities. Interpret mechanical, electrical, and control drawings to support repair and upgrade actions. Work with engineering and controls teams to implement system improvements and energy‑efficiency strategies. Document maintenance actions, system adjustments, and control changes in CMMS/BAS logs. Maintain compliance with safety policies, building codes, and operational standards. Collaborate with facility managers, contractors, and project teams to support maintenance or installation projects. Qualifications High school diploma or GED required. Minimum of 8 years of related experience, including at least 5 years working in a job shop environment with hands‑on electrical and controls experience. At least 5 years of HVAC maintenance, service, or controls experience. Working knowledge of Niagara AX or Niagara N4, including system navigation, basic programming adjustments, alarm management, and trend analysis. Strong understanding of HVAC control theory, including PID loops and sequence of operations. Ability to read and interpret technical schematics, wiring diagrams, and control drawings. Experience with low‑voltage control systems; familiarity with BACnet, Modbus, or LonWorks preferred. EPA Universal Certification required or ability to obtain. Demonstrated problem‑solving skills and the ability to work independently in critical environments. Preferred Skills Niagara N4 certification (Niagara Technical Certification or similar). Experience with enterprise BAS systems, dashboards, and graphics updates. Familiarity with mechanical plant operations (chillers, boilers, pumps). Experience in government, data centers, healthcare, or mission‑critical facilities. Benefits A competitive salary Medical, dental, vision, life, and disability insurance Paid time off Tuition reimbursement 401(k) Retirement Plan Military Reserve pay offset Paid maternity leave Abilities and Physical Requirements The position requires the ability to lift, carry, and move objects weighing up to 50 pounds on a regular basis. Candidates must demonstrate physical strength and stamina to perform various tasks, including but not limited to, loading, unloading, operating equipment, and assisting in the transportation of various materials. Proper lifting techniques and safety protocols must be followed to ensure personal and team safety. Relocates a 12 foot stepladder without assistance. Works at various heights up to 60 feet and can climb and maintain balance on scaffolds, aerial lifts, catwalks and all types of ladders. Walks, climbs, lifts, squats, crawls, kneels, pushes, pulls and reaches overhead on a routine and repetitive basis. Possesses good vision (may be corrected vision), the ability to see in color, and the ability to hear and communicate in English. May use a standard ladder without exceeding the weight limit while carrying tools. Can tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem. Applies general rules to specific problems to produce answers that make sense. Combines pieces of information to form general rules or conclusions (including finding a relationship among seemingly unrelated events). Sees details at close range (within a few feet of the observer). Listens to and understands information and ideas presented through spoken words and sentences. Pay Range USD $50.00 – $60.00 /hour. #J-18808-Ljbffr Unofficial M.C. Dean
- ...is seeking a Contract Security Program Officer to join our team in Washington, DC. The successful candidate will manage the SCI program security and ensure compliance with U.S. Government regulations... ...school diploma, and a TS/SCI security clearance. This position is full-...Security ClearanceFull timeContract work
- Job Title Location Washington, DC 20032 US (Primary) Category Job... ...Bachelor's Degree Travel Security Clearance Required TS/SCI Job Description Prescient... ...Infrastructure Engineer Level 4 to support a federal... ...Edge, we believe that acting with integrity and serving our...Security ClearanceFull timeContract work
- ...Prescient Edge, we believe that acting with integrity and serving our employees... ..., Engineering or Computer Science. Security Clearance Security clearance required TS/SCI or TS and the ability to obtain SCI. Location Washington, DC. Prescient Edge is a Veteran-Owned...Security ClearanceContract work
- ...American-owned and controlled public accounting firm in the U.S., we pride ourselves... ...is located in Washington D.C. Must hold a current TS/SCI Security Clearance. What you will do... ...audits; communicate with client management regarding... ...match up to 4% and 100% vested...Security ClearanceWork at officeLocal areaRemote workHome office
$220k - $240k
...mission‑focused recommendations. Qualifications U.S. citizenship. Active Top Secret security clearance with SCI eligibility. Master’s or doctoral degree from an accredited... ...operational/behavioral assessment. At least 4 years of FBI or IC experience working with...Security ClearanceFull timePart timeLocal area- ...telecommunications infrastructure. This onsite role in Washington DC requires 5+ years of experience and an active TS/SCI security clearance. The engineer will be responsible for... ...telephony solutions as well as coordinating with various IT staff and business partners to...Security Clearance
- ...Full-Motion Video (FMV) Analyst in Washington, DC, to support U.S. national security by exploiting full-motion video... ...Candidates should have at least 4 years of intelligence analysis... ...and a Bachelor’s degree. Active TS/SCI security clearance is required. The position may...Security ClearanceRotating shift
- TryApplyNow is looking for a Software Engineer with extensive experience in software development. This role requires the candidate to sit in the Washington DC metro area and have an active TS/SCI security clearance. You will develop and enhance complex software systems...Security Clearance
$75k
...seeks an Activity Security Representative... ...(JBAB) in Washington, DC. Position Description... ...Information (SCI) and Special... ...associated with document control Assist in the... ...security clearance processing activities... ...experience (4 years) counts... ...Information (TS/SCI)...Security ClearanceFull timeFor contractors$175k - $200k
...Laboratory in Washington DC. The Senior... ...of experience with relational databases... ...~4+ years of direct... ...infrastructure, security, functional... ...secure access controls and data... ...Security Clearance Requirements... ...will require U.S. citizenship... ...DoD Top Secret/SCI clearance is...Security ClearanceTemporary workWork experience placementImmediate start- Quality Control Manager-General Construction job at... ...Kimmel and Associates. Washington DC. About the Company The... ...company based inMaryland. With a solid reputation for... .... Requirements U.S. Citizenship required... ...obtain or maintain a security clearance . Benefits Competitive...Security ClearanceFull timeContract workFor contractorsFor subcontractor
- ...ACS Guard II (Washington, DC) ACS Guard II Clearance Required: TS/SCI with Polygraph Ops Tech... ...provide 24/7 access control, visitor processing, and physical security support. Guards... ...correctable to Jaeger No. 4 type test for... ...Plumbing HVAC Sheet Metal...Security ClearanceFull timeContract work
- ...Description Job Description SECURITY CLEARANCE REQUIREMENT: TS, WITH SCI ELIGIBILITY ***POSITION... ...Position Title: Security Control Assessor (SCA) II... ...PL3) and Protection Level 4 (PL4) Differentiate the... ...Information Assurance Technician Level III or Information...Security ClearanceWork at office
- ...crime that threaten U.S. security. Supporting U.S. and... ...assets and collaborates with law enforcement and... .... Location: Washington, DC (Pentagon), This is... ...Friday. Required Clearance: Active TS/SCI Senior Policy Analyst... ...support of National Drug Control Program objectives,...Security ClearanceTemporary workFor contractorsWork at officeRemote workMonday to FridayFlexible hours
- ...Engineer (Hybrid) - TS/SCI Xcelerate... ...as working with the SE team in... ..., MD (Hybrid) Security Clearance: TS/SCI Responsibilities... ..., model view controller (MVC); web... ...on the Washington Business Journal... ...company with a 4.6 star, and a... ...is one of the DC Metro top employers...Security ClearanceContract workRemote workFlexible hours
- ...Description Cyber Security Engineer - TS/SCI... ...your experience with security technologies... ...Security Clearance: Active... ...security controls. Develop and... ...inclusion on the Washington Business... ...company with a 4.6 star, and a... ...is one of the DC Metro top employers...Security ClearanceContract workRemote workFlexible hours
$182.7k - $247.5k
Industrial Security CSSO/CPSO, Washington DC Corporate Security -... ...that enable work with Government partners... ...compliance with U.S. government... ...compliance with clearances and facilities.... ...sensitive material control, secured... ...Have an active TS/SCI security clearance...Security ClearanceFor contractors- ...crime that threaten U.S. security. Supporting U.S. and... ...assets and collaborates with law enforcement and... .... Location: Washington, DC (Pentagon), This is... ...through Friday.Required Clearance: Active TS/SCI Senior Performance... ...analyses of National Drug Control Program strategic...Security ClearanceTemporary workFor contractorsWork at officeRemote workMonday to FridayFlexible hours
$118k - $196k
Vantor Inc. is hiring multiple Geospatial Analysts in Washington, DC. This role requires a TS/SCI security clearance and entails conducting complex geospatial analyses to support U.S. Government customers. Candidates should have 12 years of experience and significant knowledge...Security Clearance$115k - $120k
...position, you must be a U.S. Citizen. This... ...U.S. Government security clearance, applicants who... ...status. Export Control/ITAR: Certain... ...Clearance at the TS/SCI level. Vantor... ...) Collaborate with peers, quality... ...New Jersey, the Washington, DC metropolitan area...Security ClearanceRemote work- ...Field Service Representative (FSR) Analyst in Washington, DC. This role involves working with Palantir's implementation teams, assisting... ...strong communication skills. A current TS/SCI security clearance is required, along with U.S. Citizenship due to government contract...Security ClearanceContract workWorldwide
- ...ServiceNow Developer, TS/SCI Security Clearance Required, Suitland, MD We are... ...for a ServiceNow Developer with an active TS/SCI Security Clearance... .... Qualifications: - 4+ years of JavaScript... ...Tampa Technology Headhunters, Washington DC IT Recruiters Home"ServiceNow...Security Clearance
- ...Enterprise Modeler - TS/SCI with CI Poly... ...Bethesda, MD Clearance: TS/SCI with CI... ...Active TS/SCI security clearance with polygraph... ...inclusion on the Washington Business Journal’s... ...certified company with a 4.6 star, and a 99%... ...Solutions is one of the DC Metro top...Security Clearance
- ...Systems Engineer Sr. - TS/SCI with CI Poly... ...Bethesda, MD Clearance: TS/SCI with CI... ...Active TS/SCI security clearance with polygraph... ...inclusion on the Washington Business Journal’s... ...certified company with a 4.6 star, and a 99%... ...Solutions is one of the DC Metro top...Security Clearance
- ...Electronics Technician 4 M.C. Dean is Building... ...facilities, secure environments,... ...enterprises. With over 7,000 employees... ...automation and controls, audiovisual,... ...: Clearance/Citizen Type: Applicants... ..., including U.S. Citizenship,... ...able to obtain an SCI clearance....Security ClearanceApprenticeshipWork at officeLocal areaRelocation
- Project - Data Analytics Engineer III - TS/SCI w/ Poly - Washington, D.C. As a Project - Analytics and... ...database queries. Partnering with federal government product owners to... ...Excel. Active TS/SCI with Polygraph security clearance required. Ability to be on site 100...Security Clearance
- ...Activity Security Representative II (ASR II) SECURITY CLEARANCE REQUIREMENT: TS, WITH SCI ELIGIBILITY ***POSITION REQUIRES... ...Base Anacostia, Bolling DC (on-site) Position... ...with document control Assist in the processing... ...experience (4 years) or Associate'...Security ClearanceFor contractors
- ...Web Developer, TS/SCI with Full Scope Poly Security Clearance Required, Washington, DC The Web Developer will join an existing team providing web portal services in... ...university in Computer Science or related discipline. - 4 years of additional Software Development...Security Clearance
- ...collaboration with systems engineering... ...development, security, operations,... ...Bethesda, MD Clearance: Must have an... ...Top Secret/ SCI security clearance... ...maintain a TS/SCI with... ...inclusion on the Washington Business Journal... ...company with a 4.6 star, and a... ...is one of the DC Metro top...Security Clearance
$85k - $120k
...Future Opportunities) TS/SCI+ Location: Hybrid -... ...experienced Facility Security Officers (FSO) with active TS, TS/SCI,... ...clients across the Washington DC Metro Area and Northern... ...personnel security clearance processing Maintain... ...Qualifications Active U.S. Top Secret...Security ClearanceWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to HVAC Controls Technician 4 - (U) TS/SCI - Washington, DC with Security Clearance. Be the first to apply!
- hvac r technician Washington DC
- hvac commercial installer Washington DC
- hvac installers Washington DC
- transport refrigeration technician Washington DC
- hvac residential installer Washington DC
- hvac technician apprentice Washington DC
- air conditioning technician Washington DC
- commercial refrigeration service technician Washington DC
- maintenance hvac technician Washington DC
- experienced hvac installer Washington DC



