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Level 3 Security Jobs in Colorado (NOW HIRING)

Lockheed Martin Corporation

Space is a critical domain, connecting our technologies, our security and our humanity. While ... We have an opportunity for a level 3 Program Planner to join our mission supporting the National ...

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Level 3 Security information

See Colorado salary details

$12

$20

$26

How much do level 3 security jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for level 3 security in Colorado is $20.01, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $19.71 per hour, depending on experience, location, and employer.

What is a Level 3 Security officer?

Level 3 Security officers are highly trained security professionals who are authorized to carry firearms and have advanced skills in handling security situations. They typically complete additional training beyond lower-level security licenses, including firearms proficiency, emergency response, and conflict resolution. Level 3 officers are often employed in roles that require a higher level of responsibility, such as protecting high-value assets, working in armed security positions, or serving as supervisors for other security staff.

What types of incidents might a Level 3 Security officer handle, and how do they typically collaborate with other teams during these situations?

Level 3 Security professionals are often responsible for responding to complex security incidents such as advanced persistent threats, data breaches, or sophisticated malware attacks. During these situations, they work closely with IT, legal, and compliance teams to investigate, contain, and remediate threats. Effective communication and coordination are critical, as Level 3 Security specialists may also guide junior security analysts and interface with external partners or law enforcement. Their role often involves providing detailed incident reports and recommending improvements to prevent future incidents.

What are the key skills and qualifications needed to thrive as a Level 3 Security officer, and why are they important?

To thrive as a Level 3 Security Officer, you need advanced knowledge of security procedures, risk assessment, and emergency response, often backed by a Security Guard License (Level 3) and relevant experience. Familiarity with surveillance systems, access control technologies, and incident reporting software is typically required. Strong situational awareness, leadership, and excellent communication skills help in managing teams and responding effectively to incidents. These skills and qualifications are crucial for ensuring safety, minimizing threats, and maintaining order in high-risk environments.

What is the difference between Level 3 Security vs Level 2 Security?

AspectLevel 3 SecurityLevel 2 Security
CertificationsSecurity Guard License, Basic Security TrainingSecurity Guard License, Basic Security Training
Work EnvironmentHigh-security facilities, access control pointsCommercial buildings, retail stores
Employer & Industry UsageSecurity firms, corporate security

Level 3 Security personnel typically handle higher-risk environments requiring advanced training and certifications compared to Level 2 Security. They often work in high-security facilities and are responsible for more complex security tasks, whereas Level 2 Security staff focus on general security duties in commercial settings. Understanding these differences helps employers and job seekers identify the appropriate security level for specific roles.

What is a level 3 security guard?

A Level 3 security guard is a trained security professional responsible for patrolling, monitoring, and protecting property and personnel. They often have advanced training, may operate security equipment, and are authorized to handle more complex security situations compared to lower levels.
Level 3 Security jobs near you
Infographic showing various Level 3 Security job openings in Colorado as of August 2026, with employment types broken down into 86% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $41,630 per year, or $20 per hour.

DevSecOps Engineer - Level 3 or 4

Northrop Grumman Corp. (AU)

Fort Collins, CO • On-site

$114 - $213/hr

Other

Medical, Life, PTO

Posted yesterday

New

Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 364 frontline employees who took The Breakroom Quiz

90th of 540 rated manufacturers

Job description

RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Principal/Sr. Principal DevSecOps Engineer - Level 3 or 4 to join our team of qualified, diverse individuals. Our domain provides rewarding work that contributes to the latest advancements being made in the industry. The position is located on-site in Boulder, CO. Boulder is nestled in the foothills of the Rocky Mountains, and only 25 miles from downtown Denver.

Position Summary

We are looking for a Principal/Sr. Principal DevSecOps Engineer - Level 3 or 4 with a passion for developing, automating, and securing creative solutions in an enterprise, on-premises environment. You will be responsible for system analysis, as well as designing, developing, building, testing, implementing, and maintaining various systems to meet functional objectives of the business. In this role, you will ensure the implementation of Software Configuration Management (SCM), code quality, and code coverage. You will implement provisioning and deployment techniques via packaging and containerization, manage enterprise container orchestration, and implement automated testing and security scanning for Continuous Integration/Continuous Delivery (CI/CD) pipelines. You will bring a strong understanding of developer ecosystems using CMake and Conan , as these tools directly influence our automation development strategies.

Primary Responsibilities
  • Pipeline & Process Automation: Contribute to the planning and evolution of processes and infrastructure to execute programs supporting capability maturation, deployment, and on-premises infrastructure modernization.
  • Developer Ecosystem Integration: Integrate development pipelines using automation, ensuring a solid understanding of how CMake and Conan impact build automation, dependency management, configuration management, and the overall integrity of deployed builds.
  • CI/CD Integration: Develop test-driven development tools to replace manual legacy processes wherever possible.
  • Container Orchestration Management: Help define, implement, and maintain enterprise container orchestration standards using platforms such as Kubernetes, OpenShift, or Rancher.
  • Security Integration (DevSecOps): Integrate automated code quality and security scanning tools (e.g., SonarQube, Fortify, Anchore) directly into CI/CD pipelines to ensure compliant and secure delivery.
  • Environment Provisioning: Lead the building and configuration of delivery environments supporting CI/CD tools. Develop infrastructure-as-code (IaC) scripts and/or templates to automate provisioning and management tasks.
  • System Efficiency: Develop custom scripts to increase system efficiency and lower the human intervention time on any tasks.
  • System Design: Design information and operational support systems tailored for highly secure, air-gapped, or on-premises deployments.

The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/teams comprised of all experience levels.

This requisition may be filled at a higher grade based on qualifications listed below.

This requisition may be filled at either a Principal DevSecOps Engineer - Level 3 or a Principal Systems Engineer - Level 3 or a Sr. Principal DevSecOps Engineer - Level 4.

Basic Qualifications
  • Principal DevSecOps Engineer (Level 3): Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 5 years of related work experience, or a Master's Degree in STEM and 3 years of related work experience, or a PhD and 1 year of related work experience.
  • Sr. Principal DevSecOps Engineer (Level 4): Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience; a Master's Degree in a STEM discipline and 6 years of related experience; or a PhD with 4 years of related experience.
  • U.S. Citizenship: All applicants must have current U.S. Citizenship.
  • Security Clearance: Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start.
  • Technical Expertise: Comprehensive technical experience with a variety of DevSecOps tools including Bitbucket, Jenkins, Ansible, and Git/Version Control Software.
  • Build Ecosystem Knowledge: Solid understanding of how CMake and Conan are utilized in development and how they impact pipeline and build automation development.
  • Communication & Collaboration: Excellent verbal and written communication skills with the ability to express technical information clearly across different organizational levels.
  • Agile Frameworks: Solid experience working within Agile processes and procedures.
Preferred Qualifications
  • Pipeline Infrastructure: Hands‑on experience proactively creating automation using Jenkins Shared Libraries to enable quicker builds for app and development teams.
  • Advanced Orchestration: Experience identifying automation needs and deploying CI/CD solutions utilizing Kubernetes, OpenShift, or Rancher container orchestration platforms.
  • On‑Premises Infrastructure & Security: Experience creating and implementing automated infrastructure solutions to address strict air-gapped or on‑premises infrastructure and security requirements.
  • Security Tooling: Experience implementing and managing code coverage and vulnerability scanning tools like SonarQube, Fortify, or Anchore.
  • Leadership Experience: Successful experience leading a team of DevOps Engineers and/or System Administrators.

Primary Level Salary Range: $114,000.00 - $171,000.00

Secondary Level Salary Range: $142,200.00 - $213,400.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results.

Employees in Vice President or Director positions may be eligible for Long Term Incentives.

In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO.

U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Job Category: Engineering

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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