Senior Systems Engineer – Secret Clearance… at Cambridge… · Riverside

Senior Systems Engineer – Secret Clearance | Riverside, CA
Cambridge International Systems, Inc.

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security.
We are currently seeking a Senior Systems Engineer to support operations in Riverside, CA. This position is contingent on contract award, with an expected start date in July 2026. This is a full-time CONUS/OCONUS position requiring an active DoD Secret clearance.
This position may be subject to the Service Contract Labor Standards Act (SCLS)/Service Contract Act (SCA).
The base salary range for this role is $92K - $150K annually, depending on geographic location and experience. The final offer will be based on relevant experience, skills, internal equity, and market data.
What You’ll Do
As a Senior Systems Engineer, you will play a critical role in evaluating, analyzing, and integrating complex communications systems and infrastructure to ensure interoperability, performance, and reliability across mission-critical environments, that serve U.S. government missions overseas/the Cambridge corporate office.  You will:
Evaluate and analyze C4I communications capabilities, including system performance, interoperability, and operational effectiveness
Assess C4I infrastructure capacity and identify improvements to support mission requirements
Analyze integration of radar, sensor inputs, and IP-based communications systems
Support engineering efforts related to system upgrades, enhancements, and technology refresh initiatives
Troubleshoot complex system issues across AMOSS, ISR, and telecommunications environments
Provide technical recommendations to improve system reliability, scalability, and performance
Support configuration management and system baseline control processes
Collaborate with engineering, operations, and maintenance teams to ensure seamless system integration
Support installation, testing, and validation of new systems and enhancements
Participate in technical reviews, engineering assessments, and mission planning activities
Ensure compliance with security requirements, operational procedures, and system standards
What You’ll Bring
Required Qualifications:
Education & Experience:
Bachelor’s degree in Engineering, Computer Science, Information Technology, or related field; experience may substitute + 10 years of relevant experience
Evaluating and analyzing C4I communications capability and interoperability
Evaluating and analyzing C4I communications infrastructure capability, capacity, and interoperability
Evaluating and analyzing the installation of C4I serial and IP radar and other sensor input
Evaluating and analyzing network cabling and infrastructure to ensure compliance with industry standards, configuration requirements, and policy
Conducting bandwidth analysis of network and communications infrastructure to ensure efficient and stable operations
Overseeing and verifying system, network, and communications wiring diagrams and data flow technical documentation
Technical Expertise:
Project management tools such as MS Project or equivalent
Collaboration tools such as Teams and SharePoint
Certifications:
Must have a current and active DoD Secret security clearance.
Proficient with modern IT tools and infrastructure technologies
Travel & Passport
Both CONUS and OCONUS by motor vehicle and/or air travel may be required; some overnight stays possible.
OCONUS locations include:
Aguadilla, Puerto Rico
Must have an active passport to support OCONUS travel and/or living requirements.
Work Environment
Compliance with vaccination and medical requirements for TDY/OCONUS roles as per Vaccine Recommendations by AOR | Health.mil.
This position requires working in a stressful environment, dealing with conflict, working under pressure and with strict deadlines, focus and attention to detail
Office setting:
Primarily an office-based role in Riverside, CA
Standard desk/computer work with flexibility for walking and movement on site.
Must be able to work in an office environment, sitting at a desk, looking at a computer for most of the workday.
Work is physically comfortable; the employee has discretion about sitting, walking, standing, etc.
May be required to travel short distances to offices/conference rooms and buildings on site.
Background & Security
Employment is contingent upon successful background investigation
Alcohol and Drug screening may be required for federal contract compliance
Benefits & Perks
We believe in investing in our team—both professionally and personally:
Medical, dental, vision, life, accident, and critical illness insurance
401(k) immediate vesting and match
Paid time off and company holidays
Generous tuition & training support
Relocation assistance
Sign-on and performance-based bonuses
Employee referral program
Access to Tickets at Work, EAP, wellness initiatives, and more
Join Us
If you're driven by mission, technology, and teamwork—we want to hear from you. Cambridge is growing, and this position is just one of many opportunities on our global team. Know someone perfect for the role? Referrals are welcome—both employees and non-employees may qualify for a bonus.
Apply today and help shape the future of secure cloud computing for national security.
About Cambridge International Systems
At Cambridge, we recognize innovation and agility grow through teamwork. By working collaboratively, listening proactively, and engaging across functions we create solutions that build on the best ideas our employees bring to the table. We are committed to one another, to persevere in order to get the job done, and to do so with integrity every time. Learn more at www.cbridgeinc.com.
We are an equal opportunity employer.  Applicants and employees are considered for positions and are evaluated without regard to any protected status under applicable law or other similar factors that are not job-related.  We encourage all qualified individuals to apply for employment.  Selected applicants may be subject to a background investigation and/or education verification.
We provide reasonable accommodation for qualified individuals with disabilities in accordance with federal, state, and local law.  If you require a reasonable accommodation to participate in the application process or to perform the essential functions of the position, please contact our Recruiting Team at [email protected].