Critical Systems LLC
Manufacturing
Critical Systems was founded in 2008 by four friends with the belief that they could contribute to the betterment of buildings within the DC metro region. Since its founding, the company has delivered on their vision, providing professional services across the entirety of the District, Maryland, New England, and Virginia.
Is Critical Systems LLC hiring?
Yes. As of November 5, 2026, Critical Systems LLC has 9 open roles on Metaintro. 3 were posted in the last 30 days.
Open roles
Newest first. Pay shown when the posting lists it.
RoleLocationSetupPayPosted
- Internship Application - Building Automation Systems/ControlsScience, Technology, Engineering, and MathRockville, Maryland, United States · On-siteRockville, Maryland, United StatesOn-site—28d ago
- Internship Application - Mechanical EngineerScience, Technology, Engineering, and MathRockville, Maryland, United States · On-siteRockville, Maryland, United StatesOn-site—28d ago
- Internship Application - Project CoordinatorProduct/Project ManagementRockville, Maryland, United States · On-siteRockville, Maryland, United StatesOn-site—28d ago
- Controls EngineerScience, Technology, Engineering, and MathRockville, Maryland, United States · HybridRockville, Maryland, United StatesHybrid—Sep 4, 2026
- Sales Engineer - ControlsSalesRockville, Maryland, United States · On-siteRockville, Maryland, United StatesOn-site—Jul 10, 2026
- Project Management Engineer (HVAC)Architecture and ConstructionRockville, Maryland, United States · On-site · $125K – $150K/yrRockville, Maryland, United StatesOn-site$125K – $150K/yrJun 1, 2026
- Applications Engineer (HVAC)Science, Technology, Engineering, and MathRockville, Maryland, United States · On-siteRockville, Maryland, United StatesOn-site—May 4, 2026
- Project CoordinatorOperations ManagementRockville, Maryland, United States · On-siteRockville, Maryland, United StatesOn-site—May 4, 2026
Hiring pattern
How fast Critical Systems LLC is adding roles, and how they're set up.
New roles each monthRoles first posted in the month
2
0
1
3
0
JulyAugustSeptemberOctoberNovember
Skills they ask for
Most frequent across open postings.
Tech stack
- CMS
- WordPress
- Libraries
- Bootstrap
- GSAP
- Swiper
- jQuery
- Analytics
- Google Analytics 4
Company facts
- Founded
- 2008
- Industry
- Manufacturing
- Sector (NAICS)
- Professional, Scientific, and Technical Services
- Peer
- Lockheed Martin
- Website
- criticalsystemsllc.com
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