Security & Safety Jobs in Centennial, CO (Now Hiring) — 186 open

Security Guard Driving Flex

Centennial, Colorado, United States · On-site

Entry level$9.0B raised

Overview Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and colla…

Skills: Security patrols, Surveillance, Emergency response, Incident reporting, Conflict mediation

P18621 Principal Electrical Engineer - Infrared Sensor Payloads

Centennial, Colorado, United States · On-site

$164k–$226k/yr

Senior+$2.2B raised

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we…

Skills: Systems engineering, Infrared sensor payloads, Missile warning, Missile tracking, Technical leadership

Guidance, Navigation & Controls Engineer II/III

Centennial, Colorado, United States · On-site

$106k–$145k/yr

Mid level$2.2B raised

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we…

Skills: Guidance, Navigation & Controls (GNC), Simulink, STK, Dynamic modeling, Algorithm design

Sr Project Engineer

Centennial, Colorado, United States · On-site

$144k–$198k/yr

Senior$2.2B raised

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we…

Skills: Project management, Engineering leadership, Cost management, Schedule management, Risk management

Communications and Physical Security Technology Engineer - Instructional Support Facility

Centennial, Colorado, United States · On-site

Mid level

FLSA CLASSIFICATION: Exempt COMPENSATION PLAN: Professional Technical PAY RANGE: Range 6 Compensation Information Link Benefits Information Link Core Values Information Link SUPERVISOR: Manager, Infrastructure LAST UPDAT…

Skills: Communication platforms, Unified Communications, Radio systems, Video surveillance, Access control systems

Fire Service Supervisor

Centennial, Colorado, United States · On-site

$90k–$115k/yr

Mid level$67M raised

Convergint is looking for a full-time, enthusiastic, results driven and forward-thinking Fire Service Supervisor to join our amazing culture. As a Fire Service Supervisor, you are a part of a dynamic team that allows you…

Skills: Leadership, Financial analysis, Cost control, Project management, Building automation systems

Receptionist

Centennial, Colorado, United States · On-site

$51k–$61k/yr

Entry level

RECEPTIONIST CLOSES ON SEPTEMBER 22, 2026 AT 5:00 PM MST REPORTS TO: Assistant to the Fire Chief DIVISION: Executive FLSA CLASSIFICATION: Non-exempt SALARY GRADE: 10 SALARY RANGE: $51,039 - $61,151 SMFR is accepting inte…

Skills: Customer service, Administrative support, Phone etiquette, Data entry, Document management

Fire Field Service Supervisor

Centennial, Colorado, United States · On-site

$78k–$100k/yr

Mid level$67M raised

Convergint is looking for a full-time, enthusiastic, results driven and forward-thinking Fire Field Service Supervisor to join our amazing culture. As a Fire Field Service Supervisor, you are a part of a dynamic team tha…

Skills: Leadership, Financial analysis, Project management, Gross margin calculation, Microsoft Outlook

Licensed Practical Nurse (LPN Nights)

Centennial, Colorado, United States · On-site

$37/hr–$42/hr

Entry level

You Matter Make a difference every day in the lives of the underserved Join a mission driven organization with a people first culture Excellent career growth opportunities Join us and find a career that supports: Caring …

Skills: Patient assessment, Treatment planning, Medication administration, IV therapy, Diagnostic testing

Program Control Analyst

Tucson, Arizona, United States · On-site

$60k–$70k/yr

Mid level

Why Join Rincon Research Corporation (RRC)? At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense…

Skills: Financial planning, Scheduling, Earned value management system, Microsoft excel, Accounting fundamentals

Propulsion Systems Engineer 4

Centennial, Colorado, United States · On-site

$127k–$211k/yr

Senior$1.6B raised

Requisition ID: 2087 Standard Weekly Hours: 40.00 Location: ULA - Denver, ULA - Cape Canaveral Relocation: Yes- Relocation may be available Travel Requirements: 10% At ULA, success comes through the efforts of a strong, …

Skills: Propulsion systems, Systems integration, Mechanical design, Fluids analysis, Cryogenic systems

Propulsion Systems Engineer 2

Centennial, Colorado, United States · On-site

$78k–$129k/yr

Mid level$1.6B raised

Requisition ID: 2088 Standard Weekly Hours: 40.00 Location: ULA - Denver, ULA - Cape Canaveral Relocation: Yes- Relocation may be available Travel Requirements: 10% At ULA, success comes through the efforts of a strong, …

Skills: Propulsion systems, Systems integration, Mechanical design, Fluid systems, Cryogenic systems

System Safety Engineer 2

Centennial, Colorado, United States · On-site

$82k–$136k/yr

Mid level$1.6B raised

Requisition ID: 2121 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 25% At ULA, success comes through the efforts of a strong, united team. Thanks fo…

Skills: System safety, Hazard analysis, Safety assessments, Project management, Accident investigation

Sr Principal Engineer, Rendezvous & Proximity Operations (RPO), Guidance, Navigation & Control, Lead

Centennial, Colorado, United States · On-site

$206k–$283k/yr

Senior+$2.2B raised

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we…

Skills: Guidance, Navigation & Control, Rendezvous & Proximity Operations, Spacecraft systems, Algorithmic design, Autonomy

Cyber Security Internship - Summer 2027

Centennial, Colorado, United States · On-site

$23/hr–$37/hr

Entry level$1.6B raised

​Requisition ID: 2131 Standard Weekly Hours: 40.00 Location: ULA - Denver At ULA, success comes through the efforts of a strong, united team. We care about your career development at ULA! Your hard work, time, and experi…

Skills: Cyber security, Incident response, Risk management, Network defense, Security solutions

Contamination Control Engineer 2

Centennial, Colorado, United States · On-site

$85k–$142k/yr

Mid level$1.6B raised

Requisition ID: 2105 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 10% At ULA, success comes through the efforts of a strong, united team. Thanks fo…

Skills: Contamination control, Molecular contamination analysis, Particulate contamination analysis, Chemical engineering, Mechanical engineering

GROCERY/OVERNIGHT CLERK

Centennial, Colorado, United States · On-site

Entry level$11B raised

Create an outstanding customer experience through exceptional service. Establish and maintain a safe and clean environment that encourages our customers to return. Assist the department manager in reaching sales and prof…

Skills: Customer service, Stocking, Inventory management, Food safety, Product knowledge

RAMS Specialist

Centennial, Colorado, United States · On-site

$127k–$131k/yr

Senior

Requisition ID: 180822 Job Level: Mid Level Home District/Group: Kiewit Infrastructure Engineers Department: Design Engineering Market: Transportation Employment Type: Full Time Position Overview We are seeking a RAMS Sp…

Skills: RAMS Analysis, FMECA, Reliability Block Diagrams, Systems Assurance, Risk Assessment

System Safety Engineer 2

Centennial, Colorado, United States · On-site

$82k–$136k/yr

Mid level$1.6B raised

Requisition ID: 1817 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 25% At ULA, success comes through the efforts of a strong, united team. Thanks fo…

Skills: System Safety Assessment, Hazard Control, Safety Auditing, Accident Investigation, Project Leadership

Information Security Architect 4

Decatur, Alabama, United States · On-site

$132k–$220k/yr

Senior$1.6B raised

Requisition ID: 1840 Standard Weekly Hours: 40.00 Location: ULA - Denver, ULA - Cape Canaveral, ULA - Decatur, ULA - Vandenberg AFB Relocation: Yes- Relocation may be available Travel Requirements: 25% At ULA, success co…

Skills: Security Architecture, Cloud Security, AWS, Azure, NIST SP 800-53

Frequently asked questions

How many Security & Safety jobs are open in Centennial, CO right now?

There are currently 186 open security & safety positions in Centennial, CO listed on Clera. New openings are added daily as companies post roles.

Which companies are hiring for Security & Safety roles in Centennial, CO?

Companies currently hiring include Sierra Space, United Launch Alliance (ULA), Allied Universal, Convergint, Beehive Industries, among others. Browse the listings above to see every active employer.

Are there remote or hybrid Security & Safety jobs in Centennial, CO?

Yes — 12 of the 186 open security & safety positions offer remote or hybrid work (1 remote, 11 hybrid).

How do I apply for Security & Safety jobs in Centennial, CO?

Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.