Security & Safety Jobs in St. Louis, MO (Now Hiring) — 697 open — Page 23

Security Officer Armed Security Clearance Required

St. Louis, Missouri, United States · On-site

Mid 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, Emergency Response, Customer Service, Written Communication, Oral Communication

Building Engineer

Berkeley, Missouri, United States · On-site

Senior

JLL empowers you to shape a brighter way. Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring …

Skills: HVAC Maintenance, Plumbing Repair, Electrical Troubleshooting, CMMS, Building Automation Systems

Power Apps / QA Developer - Part Time

St. Louis, Missouri, United States · Hybrid

Mid level

​​​​​​​ We are a growing information technology company that offers its employees a culture of success, the chance to work on revolutionary federal IT infrastructure, and the opportunity to grow alongside cutting-edge te…

Skills: Microsoft Power Apps, Power Automate, Quality Assurance, Application Testing, Regression Testing

Supervisor - Security Specialist

St. Louis, Missouri, United States · On-site

Mid level$66M raised

Make an impact by joining ServiceSource, a champion for people with disabilities. Explore new opportunities! ServiceSource is an organization of talented people who drive innovation, embrace change, and strengthen commun…

Skills: SCIF Management, Classified Shipments, Personnel Supervision, Security Briefings, Visitor Control

Senior Implementation Consultant

Los Angeles, California, United States · Remote OK

$110k–$146k/yr

Senior$122M raised

Who are we? At UpGuard, we are replacing manual security bottlenecks with AI-driven precision. Fresh off a US$75M Series C, we are scaling our infrastructure to process 100 billion risk signals daily. This isn’t just gro…

Skills: B2B SaaS Implementation, Solutions Architecture, Enterprise Deployment, REST APIs, Webhooks

Frame Superintendent - St Louis, MO

St. Louis, Missouri, United States · On-site

Mid level

Frame Superintendent Culture We are a team of engineers, managers, and builders who are down to earth and stand behind our word. We value respect and honesty, finding a better way, dirty boots, and a job well done. We tr…

Skills: Personnel Supervision, Project Scheduling, Constructability Troubleshooting, Customer Relationship Management, Resource Coordination

Branch Operations - Fleet Manager

Chicago, Illinois, United States · On-site

Senior

Overview The Branch Operations Fleet Manager is responsible for leading the strategic direction, governance, and performance of the company’s fleet operations. This role oversees a Fleet Analyst responsible for day…

Skills: Fleet Management, Vendor Management, Budgeting, Forecasting, Cost Control

Assistant Director of Engineering

St. Louis, Missouri, United States · On-site

Senior

Description We are seeking an experienced Assistant Chief Engineer to support the daily operation and maintenance of our full-service hotel. This leadership role assists in overseeing the Engineering team, maintaining gu…

Skills: Maintenance Operations, Preventative Maintenance, HVAC, Plumbing, Electrical Wiring

Supervisor, Security 3rd Shift

St. Louis, Missouri, United States · On-site

Mid level$14M raised

3rd Shift position working 11:00 pm to 7:00 am. Summary: We are seeking a dedicated Security Supervisor to lead and support our team in protecting one of the most beautiful and respected botanical gardens in the country.…

Skills: Security Operations, Staff Supervision, Incident Management, Emergency Preparedness, Performance Evaluation

Armed Premise Guard

St. Louis, Missouri, United States · On-site

$19/hr

Entry level$2.6B raised

GardaWorld is shaping the future of cash management! We provide our clients with solutions in every phase of their cash supply chain, including secured transportation, cash management, cash vault processing, forecasting,…

Skills: Surveillance, Security Monitoring, Access Control, Administrative Support, Oral Communication

Senior Metrology Technician (2nd Shift)

St. Louis, Missouri, United States · On-site

Mid level$20B raised

Work Schedule Second Shift (Afternoons) Environmental Conditions Able to lift 40 lbs. without assistance, Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Cleanroom: no hair products, jewelry, makeup…

Skills: Calibration, Validation, Testing, cGMP, FDA Regulations

CACI

Application Developer - Mid

Denver, Colorado, United States · On-site

$63k–$130k/yr

Mid level

Job Title: Application Developer - Mid Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% …

Skills: Java, Python, RESTful APIs, GIS, Relational Databases

CACI

Senior Application Developer

Denver, Colorado, United States · On-site

$75k–$158k/yr

Senior+

Job Title: Senior Application Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10%…

Skills: Java, Python, RESTful APIs, GIS Technologies, CI/CD

Systems Integrator - Mid

Denver, Colorado, United States · On-site

$69k–$142k/yr

Mid level$1.5B raised

Job Title: Systems Integrator - Mid Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel…

Skills: Systems Integration, Systems Administration, Linux, API, Databases

Junior Systems Integrator

Denver, Colorado, United States · On-site

$58k–$116k/yr

Entry level$1.5B raised

Job Title: Junior Systems Integrator Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Trave…

Skills: Systems Integration, Linux, Networking, System Administration, Python

Senior Systems Integrator

Denver, Colorado, United States · On-site

$82k–$172k/yr

Senior+$1.5B raised

Job Title: Senior Systems Integrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Ty…

Skills: Systems Integration, Systems Engineering, Troubleshooting, Linux, Scripting

Senior Scrum Master

Denver, Colorado, United States · On-site

$75k–$158k/yr

Senior+$1.5B raised

Job Title: Senior Scrum Master Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of …

Skills: Scrum, SAFe, Jira, Facilitation, Coaching

PRN Facility & Water Specialist

St. Louis, Missouri, United States · On-site

Mid level

Job DetailsJob Location: Greater St Louis - St Louis, MO 63106Why Work at Concerto? What is in it for you? Training Provided Clinical/Corporate Career Advancement Competitive pay Flexible Schedule Minimum of two (2) mont…

Skills: Water Treatment, Hemodialysis Equipment Operation, Equipment Maintenance, Compliance Testing, Facility Management

Security Officer Perimeter Patrol

St. Louis, Missouri, United States · On-site

Entry level$9.0B raised

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 collaborative workplace…

Skills: Customer Service, Communication, Perimeter Patrol, Incident Response, Access Control

Mid-level Imagery Analyst

St. Louis, Missouri, United States · On-site

$59k–$107k/yr

Mid level

Leidos has an opening for a Mid-level Imagery Analyst to support our customer in St. Louis, MO. This is an exciting opportunity to use your experience in traditional and innovative analytical tradecraft and efficient wor…

Skills: Imagery Analysis, Geospatial Intelligence, ELINT Data Exploitation, TS/SCI Clearance, Tipping and Queuing

Frequently asked questions

How many Security & Safety jobs are open in St. Louis, MO right now?

There are currently 697 open security & safety positions in St. Louis, MO listed on Clera. New openings are added daily as companies post roles.

Which companies are hiring for Security & Safety roles in St. Louis, MO?

Companies currently hiring include CACI International Inc, Allied Universal, BJC Medical Group, Leidos, Parsons Corporation, among others. Browse the listings above to see every active employer.

Are there remote or hybrid Security & Safety jobs in St. Louis, MO?

Yes — 75 of the 697 open security & safety positions offer remote or hybrid work (27 remote, 48 hybrid).

How do I apply for Security & Safety jobs in St. Louis, MO?

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