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Assistant System Engineer Trainee Jobs in Boulder, CO

... engineers and system engineers on the identification of vulnerabilities on all network assets, including but not limited to Windows, Unix, and Network devices * Oversee and assist system ...

Sr Cybersecurity ISSO

Denver, CO · On-site

$135K - $155K/yr

... engineers and system engineers on the identification of vulnerabilities on all network assets, including but not limited to Windows, Unix, and Network devices * Oversee and assist system ...

Sr Cybersecurity ISSO

Denver, CO · On-site

$135K - $155K/yr

... engineers and system engineers on the identification of vulnerabilities on all network assets, including but not limited to Windows, Unix, and Network devices * Oversee and assist system ...

Support vendor relationships and assist with infrastructure acquisition, implementation, and ... Infrastructure modernization and legacy system retirement projects Additional Requirements * Strong ...

Support vendor relationships and assist with infrastructure acquisition, implementation, and ... Infrastructure modernization and legacy system retirement projects Additional Requirements * Strong ...

Eng II - Sys

Boulder, CO · On-site

$79K - $134K/yr

Coordinate with and assist other engineering disciplines and IPTs as assigned. * Learn and Use Model-Based Systems Engineering (MBSE) for the development of system architecture, requirements ...

You will be working closely with a talented team to assist in the design, implementation, and maintenance of critical defense systems through classic and modern Systems Engineering techniques.

Support Chief Engineer and ground system organization leadership in executing systems engineering activities to integrate mission systems across site * Analyze and document site system architecture ...

You will be working closely with a talented team to assist in the design, implementation, and maintenance of critical defense systems through classic and modern Systems Engineering techniques.

You will be working closely with a talented team to assist in the design, implementation, and maintenance of critical defense systems through classic and modern Systems Engineering techniques.

Systems Engineer

Boulder, CO · On-site

$180K - $186K/yr

You will be working closely with a talented team to assist in the design, implementation, and maintenance of critical defense systems through classic and modern Systems Engineering techniques.

The Systems Engineer II will help verify our propulsion systems are designed and perform as ... assist with confirmation that requirements are met * Support system-level risk analysis and ...

Systems Engineer

Aurora, CO · On-site +1

$61K - $141K/yr

... for managing system definitions, technical baselines, and developing digital MBSE models ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Systems Engineer

Aurora, CO · On-site

$61K - $141K/yr

... for managing system definitions, technical baselines, and developing digital MBSE models ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Showing results 21-40

Assistant System Engineer Trainee information

See Boulder, CO salary details

$34.2K

$92K

$139.5K

How much do assistant system engineer trainee jobs pay per year?

As of Aug 23, 2026, the average yearly pay for assistant system engineer trainee in Boulder, CO is $92,047.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,100.00 and $108,400.00 per year, depending on experience, location, and employer.

What is an assistant system engineer trainee?

An Assistant System Engineer Trainee is an entry-level position in the IT and software industry, typically offered to recent graduates. In this role, trainees learn about software development, system maintenance, and troubleshooting under the guidance of senior engineers. The position is designed to provide hands-on experience with various technologies and tools used in the company, allowing trainees to develop technical and problem-solving skills. After successfully completing the training period, they may be promoted to higher roles such as System Engineer or Software Developer.

What are the typical responsibilities and learning opportunities for an assistant system engineer trainee?

As an Assistant System Engineer Trainee, your first few months will typically involve a mix of technical training, shadowing experienced engineers, and working on small-scale tasks under supervision. You may assist with system installations, troubleshooting issues, and performing routine maintenance. The role often provides structured learning opportunities such as workshops and mentorship, helping you build foundational skills in system administration, networking, and security. Actively collaborating with team members and participating in group projects will also help you gain hands-on experience and better understand company-specific processes.

What are the key skills and qualifications needed to thrive as an assistant system engineer trainee, and why are they important?

To thrive as an Assistant System Engineer Trainee, you need a solid grounding in computer science fundamentals, programming languages (such as Java, Python, or C++), and typically a bachelor’s degree in engineering or a related field. Familiarity with operating systems, version control systems like Git, and basic knowledge of databases and cloud platforms are commonly required. Strong problem-solving abilities, teamwork, and effective communication help you adapt and contribute within project teams. These skills are crucial for efficiently learning on the job, supporting senior engineers, and delivering reliable technical solutions.

What is the difference between Assistant System Engineer Trainee vs Associate System Engineer?

AspectAssistant System Engineer TraineeAssociate System Engineer
QualificationsBachelor's in Engineering or related field, training focusBachelor's degree, some certifications preferred
Work EnvironmentTraining period, supervised tasksFull-time role, independent project work
Employer UsageEntry-level trainees, internship programsEntry to mid-level engineering position
Search & Comparison IntentUnderstanding trainee roles, career pathJob responsibilities, career progression

The main difference between an Assistant System Engineer Trainee and an Associate System Engineer lies in their experience and responsibilities. Trainees are in a learning phase, focusing on training and supervised tasks, while Associate System Engineers are full-time employees handling independent projects. Both roles are common in the engineering industry, especially in IT and software companies, but the trainee position is typically an entry point for recent graduates.

What are popular job titles related to Assistant System Engineer Trainee jobs in Boulder, CO?

For Assistant System Engineer Trainee jobs in Boulder, CO, the most frequently searched job titles are:

What job categories do people searching Assistant System Engineer Trainee jobs in Boulder, CO look for?

The top searched job categories for Assistant System Engineer Trainee jobs in Boulder, CO are:

Infographic showing various Assistant System Engineer Trainee job openings in Boulder, CO as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $92,047 per year, or $44.3 per hour.

$135K - $155K/yr

Full-time

Posted 18 days ago


Job description

Entarian is seeking a highly skilled and motivated senior Information System Security Officer (ISSO) to join our dynamic team. The ideal candidate will have a strong background in cybersecurity, with experience in designing, implementing, and managing security measures to protect our IT infrastructure. This role involves ensuring the integrity, confidentiality, and availability of our systems and data by safeguarding against cyber threats and ensuring compliance with DOD and industry regulations and best practices.

  • Create, review, and enforce security policies and procedures that adhere to DOD regulations and industry best practices
  • Work closely with network engineers and system engineers on the identification of vulnerabilities on all network assets, including but not limited to Windows, Unix, and Network devices
  • Oversee and assist system administrators with interpretation, remediation, and hardening of systems to comply with DISA Security Technical Implementation Guides (STIGs)
  • Support customer Information System Security Manager in maintaining the system’s Authority to Operate (ATO) support by evaluating NIST controls in both a FISMA Moderate and High Environment
  • Develop and participate in Contingency Planning (CP) and Incident Response (IR) testing, planning, and execution
  • Perform risk assessments to identify potential security threats and develop appropriate mitigation strategies
  • Scan, patch, remediate, provide mitigation strategies, and document security vulnerabilities in operating systems and applications
  • Assist and lead security audits

Salary range $135,000-$155,000


  • Bachelor’s Degree in Cybersecurity, Computer Science, Systems Engineering, Information Technology or related field or experience equivalent with 10+ years of relevant work experience
  • Security+ Certification
  • CISSP or similar DODM 8140 IAM Level II qualification (e.g. – CISM, CASP+ CE. Etc.)
  • Experience leading Cybersecurity/Information Security audits
  • Thorough understanding of cyber threats, information security, and monitoring & detection using the latest monitoring tools
  • Experience configuring Elastic stack and ACAS (Tenable) scans and dashboards
  • Position requires some travel to Colorado Springs and Boulder
  • Active Top Secret clearance

  • Knowledge of networking protocols (TCP/IP, DNS, HTTP/S, etc.) and their associated common attack vectors
  • Knowledge of/experience with space mission systems
  • Experience working in Department of Defense or with Department of Defense or Federal contracts

Formed through the strategic union of Sev1Tech and ERT, Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993, Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions, Entarian delivers secure, mission-aligned digital solutions that drive national resilience and operational effectiveness. We don't just support modernization; we define it.

Join the Mission and Start your Career Journey: Apply Directly via our Careers Portal  Connect, Referrals & Inquiries? Email the team: careers@entarian.com

Entarian is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.