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Assistant Engineer Jobs in Colorado (NOW HIRING)

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$126K - $174K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$127K - $176K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$125K - $173K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Arvada, CO · Hybrid

$128K - $177K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$128K - $177K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$127K - $176K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Denver, CO · Hybrid

$119K - $164K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$127K - $176K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Arvada, CO · Hybrid

$127K - $175K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Arvada, CO · Hybrid

$127K - $175K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$127K - $175K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Denver, CO · Hybrid

$129K - $178K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Aurora, CO · Hybrid

$127K - $175K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

Senior. Principal Platform IAC Engineer

Arvada, CO · Hybrid

$127K - $176K/yr

You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution Qualifications You Must Have * Typically requires BS/BA Degree in ...

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Showing results 1-20

Assistant Engineer information

See Colorado salary details

$34.7K

$93.3K

$141.4K

How much do assistant engineer jobs pay per year?

As of Jun 11, 2026, the average yearly pay for assistant engineer in Colorado is $93,327.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,100.00 and $109,900.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Assistant Engineer, and why are they important?

To thrive as an Assistant Engineer, you need a solid grounding in engineering principles, analytical thinking, and a relevant bachelor's degree in engineering or a related field. Familiarity with technical tools such as CAD software, project management systems, and industry-specific standards or certifications (like EIT or FE) is often required. Strong problem-solving skills, teamwork, and effective communication help you collaborate on complex projects and interact with stakeholders. These skills and qualifications are essential for delivering accurate technical support, ensuring project efficiency, and contributing to successful engineering outcomes.

How does an Assistant Engineer typically collaborate with senior engineers and other team members on projects?

Assistant Engineers work closely with senior engineers, designers, and other technical staff by supporting project planning, conducting site visits, and preparing technical documentation. They often assist in problem-solving sessions and help implement design solutions under supervision. Regular communication and teamwork are essential, as Assistant Engineers frequently coordinate tasks, share updates, and seek feedback to ensure project objectives are met efficiently. This collaborative environment provides valuable learning opportunities and helps build a strong foundation for career advancement.

What Is an Assistant Engineer?

An assistant engineer works alongside a senior engineer throughout a project. The job is often used to gain work experience by recent college graduates at the beginning of their career. Your duties vary, depending on the type of engineering and industry you work in, but may include managing equipment, performing inspections, reviewing blueprints, and coordinating among departments. Typical qualifications for an assistant engineer position include at least an associate or bachelor’s degree in an engineering field, strong communication skills, and the ability to carefully follow directions.

What is the difference between Assistant Engineer vs Junior Engineer?

AspectAssistant EngineerJunior Engineer
Required CredentialsBachelor's degree in engineering or related field, often with some certificationsBachelor's degree in engineering, entry-level certification may be preferred
Work EnvironmentSupports senior engineers, involved in project planning and executionPerforms basic engineering tasks, supervised by senior staff
Employer & Industry UsageCommon in construction, manufacturing, civil, and mechanical sectorsUsed interchangeably in similar industries, often as entry-level role

Assistant Engineers typically have more responsibilities in supporting project management and planning, while Junior Engineers focus on executing specific technical tasks under supervision. Both roles require similar educational backgrounds, but Assistant Engineers often have additional certifications or experience. The roles are used across various engineering sectors and serve as stepping stones for career advancement.

What are Assistant Engineers?

Assistant Engineers are entry-level professionals who support senior engineers in the planning, design, development, and maintenance of projects across various engineering fields such as civil, mechanical, electrical, or software. Their responsibilities often include assisting with technical tasks, preparing reports, conducting research, and ensuring compliance with project specifications and safety standards. Assistant Engineers gain practical experience and skills under the supervision of more experienced engineers, which helps them advance in their engineering careers.
What are the most commonly searched types of Engineer jobs in Colorado? The most popular types of Engineer jobs in Colorado are:
What are popular job titles related to Assistant Engineer jobs in Colorado? For Assistant Engineer jobs in Colorado, the most frequently searched job titles are:
What cities in Colorado are hiring for Assistant Engineer jobs? Cities in Colorado with the most Assistant Engineer job openings:
What are popular job titles related to Assistant Engineer jobs in CO? For Assistant Engineer jobs in CO, the most frequently searched job titles are:
Senior. Principal Platform IAC Engineer

Senior. Principal Platform IAC Engineer

Raytheon

Littleton, CO • Hybrid

$128K - $176K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 7 days ago


Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 81 frontline employees who took The Breakroom Quiz

3rd of 518 rated manufacturers


Job description

Date Posted:

2026-05-04

Country:

United States of America

Location:

US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

TS/SCI without Polygraph

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.  We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

As a Senior. Principal Platform IAC Engineer, you will be leading a small technical team and supporting the development and maintenance of our modern Infrastructure as Code (IaC) solution in our environment. These environments, a mix of servers, workstations, storage, networks, and custom hardware, provide the enterprise hybrid-cloud backbone for product development and testing for a large Project producing a critical, strategic national asset. This will include a mixture of hands-on keyboard engineering work as well as documentation and baseline control.

The Senior Principal Platform IAC Engineer will be well versed in maintaining COTS/FOSS products and use of tools such as LDAP, RHEL, Tenable, Consul, Ansible, Terraform to implement and support the Infrastructure as Code (IaC) solution for our programs. 

Note This position is based in Aurora CO. and work will be performed at the onsite Facility requiring occasional travel to the customer site for upgrade and implementation activities as necessary.

What You Will Do

  • You will leverage company and industry best practices and capabilities to assist with deployment, implementation, modernization, and support of IAC solutions
  • You will lead a small team of engineers that develop software customization and automation including deployment of templates, dashboards, and scripts to support program needs utilizing Ansible Playbooks
  • You will lead the integration of the selected platform Container development and orchestration (E.g. Kubernetes/Docker)
  • You will lead the design/architecture/development and support of build/test pipeline and integration, optimizing for performance and scalability across on premise or virtualized / Cloud based computing environments
  • You will assist engineers with specialized tool usage and issues, leveraging standards and best practices towards the solution

Qualifications You Must Have

  • Typically requires BS/BA Degree in Science, Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and a minimum10 years of related work experience
  • Experience with Integration, Cloud, Kubernetes, Containerization, Infrastructure/Platform as a Service, Linux Development, Microservices
  • Experience with Linux System Administration (E.g. RHEL 6.0+)
  • Experience with Agile Development Methodologies (E.g. scrum, SAFe)
  • A current TS/SCI Security Clearance is required on day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

  • Experience with Model Based Systems Engineering (MBSE)
  • Experience with application deployments to Kubernetes
  • Experience with Atlassian Tool Suite, Cucumber, Eclipse, GIT
  • Experience with Implementing Scaled Agile Frameworks
  • Experience with Ansible automation frameworks
  • Experience deploying, configuring, and supporting CICD Pipelines tools (E.g. Jira / Jira Service Management, Confluence, Bit Bucket, Jenkins, Artifactory)
  • Experience with programming languages (E.g. Python, Java, Ruby, Bash, C++, C#, Go)
  • Experience with Postgres, SonarQube
  • General working knowledge of networks, storage, and virtualization
  • Background in COTS/FOSS product installation, configuration, and integration
  • Current CompTIA Security+ or ability to obtain

What We Offer

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation
  • Relocation Eligibility

Learn More & Apply Now!

  • Please consider the following role type definition as you apply for this role
  • Onsite Employees who are working in Onsite roles will work onsite. This includes all production and maintenance employees, as they are essential to the development of our products

This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

Location: Aurora, CO

  • We Are RTX

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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