Systems Engineer III

Who is Trace3?

Trace3 is a leading Transformative IT Authority, providing unique technology solutions and consulting services to our clients. Equipped with elite engineering and dynamic innovation, we empower IT executives and their organizations to achieve competitive advantage through a process of Integrate, Automate, Innovate.

Our culture at Trace3 embodies the spirit of a startup with the advantage of a scalable business. Employees can grow their career and have fun while doing it!

Trace3 is headquartered in Irvine, California. We employ more than 1,200 people all over the United States. Our major field office locations include Denver, Indianapolis, Grand Rapids, Lexington, Los Angeles, Louisville, Texas, San Francisco.  

Ready to discover the possibilities that live in technology?

Come Join Us!

Street-Smart - Thriving in Dynamic Times

We are flexible and resilient in a fast-changing environment. We continuously innovate and drive constructive change while keeping a focus on the “big picture.” We exercise sound business judgment in making high-quality decisions in a timely and cost-effective manner. We are highly creative and can dig deep within ourselves to find positive solutions to different problems.

Juice - The “Stuff” it takes to be a Needle Mover

We get things done and drive results. We lead without a title, empowering others through a can-do attitude. We look forward to the goal, mentally mapping out every checkpoint on the pathway to success, and visualizing what the final destination looks and feels like.

Teamwork - Humble, Hungry and Smart

We are humble individuals who understand how our job impacts the company's mission. We treat others with respect, admit mistakes, give credit where it’s due and demonstrate transparency. We “bring the weather” by exhibiting positive leadership and solution-focused thinking. We hug people in their trials, struggles, and failures – not just their success. We appreciate the individuality of the people around us.

JOB SUMMARY:  

The Systems Engineer III is responsible for designing, implementing, and supporting enterprise IT infrastructure and systems. This role works with senior engineers and architects to ensure the reliability, performance, and security of systems that support business and customer operations.  

Focused on bridging the gap between mission-level requirements and hardware/software implementation. This position supports and delivers the engineering lifecycle and will support multi-disciplinary teams through critical milestones, including PDR and CDR, while managing complex requirements.  

SUMMARY OF ESSENTIAL JOB FUNCTIONS: 

• Develop and manage system requirements, ensuring traceability from mission or business needs through design, implementation, verification, and deployment 

• Translate stakeholder, operational, and contractual requirements into technical system specifications and architectures 

• Design, analyze, and integrate complex systems, subsystems, hardware, software, and network components across the full system lifecycle 

• Perform system architecture development, trade studies, and technical analyses to support design decisions and risk mitigation 

• Establish and maintain system documentation, including requirements specifications, interface control documents, architecture artifacts, and design descriptions 

• Support system integration, verification, validation, and test activities to ensure systems meet performance, safety, security, and quality requirements 

• Identify, assess, and manage technical risks, issues, and dependencies, providing mitigation strategies and recommendations 

• Ensure compliance with applicable standards, policies, security requirements, and regulatory or contractual obligations 

• Collaborate with multidisciplinary teams, including software engineers, hardware engineers, cybersecurity, test, operations, and program management 

• Support configuration management and change control processes to maintain system integrity and baseline control 

• Participate in technical reviews and milestones, such as SRR, PDR, CDR, TRR, and readiness assessments 

• Provide technical guidance, recommendations, and status updates to leadership and stakeholders 

• Support operational sustainment, troubleshooting, and continuous improvement of deployed systems 

 QUALIFICATIONS:  

• Self-starter with good communication, interpersonal and problem-solving skills and an ability to work effectively in a fast-paced team environment.  

• Must be able to cooperatively develop integration plans/procedures from sources such as functional/performance requirements and stated technical capabilities, monitor the integration of the test resources, execute these detailed integration procedures, analyze integration results, and present the results orally and in written format.  

• Excellent written and verbal communication skills 

• Be proficient in Microsoft Office applications.  

• Experience in troubleshooting of small to large scale infrastructure. 

• Linux and Windows experience required.  

• Knowledge of or practical experience with industry or DoD test methodologies and terminology.  

• 8-10+ years’ experience 

• BS/MS degree in Computer Science, Engineering or a related subject preferred 

• Minimum Active SECRET Clearance Required  

The Perks

• Comprehensive medical, dental and vision plans for you and your dependents


• 401(k) Retirement Plan with Employer Match, 529 College Savings Plan, Health Savings Account, Life Insurance, and Long-Term Disability


• Competitive Compensation


• Training and development programs


• Major offices stocked with snacks and beverages


• Collaborative and cool culture


• Work-life balance and generous paid time off

Our Commitment

At the core of Trace3's DNA is our people. We are a diverse group of talented individuals who understand the importance of teamwork and demonstrating leadership, character, and passion in all that we do.

We’re committed to fostering an inclusive workplace where everyone feels respected, valued, and empowered to grow. We recognize that embracing diversity drives innovation, improves outcomes, fosters collaboration, boosts teammate satisfaction, and builds a more inclusive culture.

As an equal opportunity employer, Trace3 bases all employment decisions based on individual qualifications, merit, and business requirements. We do not engage in discrimination on the basis of race, color, religion, sex (including gender identity, sexual orientation, and pregnancy), national origin, age (40 or older), disability, genetic information, or any other characteristic protected by federal, state, or local law.

Any demographic information provided is strictly voluntary, kept confidential in accordance with Equal Employment Opportunity (EEO) regulations, and will not be used in employment decisions, including hiring, promotions, or mentorship programs. We are committed to providing equal employment opportunities for all.

If you require a reasonable accommodation to complete the application process or participate in an interview, please email [email protected].

***To all recruitment agencies: Trace3 does not accept unsolicited agency resumes/CVs. Please do not forward resumes/CVs to our careers email addresses, Trace3 employees or any other company location. Trace3 is not responsible for any fees related to unsolicited resumes/CVs.