Senior Systems Engineer – Secret Clearance | Riverside, CA

Cambridge International Systems, Inc.; Riverside (CA); On-site; USD 92,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with immediate vesting

Paid time off and company holidays

Generous tuition and training support

Relocation assistance

Performance-based bonuses

Job summary

Cambridge International Systems, Inc. is seeking a Senior Systems Engineer for a full-time position based in Riverside, CA. This role involves evaluating C4I communications capabilities, supporting engineering efforts, and ensuring seamless system integration. Candidates must have a Bachelor's degree in Engineering or related field and a current DoD Secret security clearance.

The salary range for this position is $92,000 - $150,000 annually, based on experience and geographic location.

Qualifications

• Must possess a current and active DoD Secret security clearance.
• Must be proficient with modern IT tools and infrastructure technologies.

Responsibilities

• Evaluate and analyze C4I communications capabilities.
• Support engineering efforts for system upgrades.
• Collaborate with teams to ensure seamless system integration.
• Provide technical recommendations to improve system reliability.

Skills

Evaluating C4I communications capability

Project management tools

Collaboration tools (Teams, SharePoint)

Evaluating bandwidth analysis

Education

Bachelor’s degree in Engineering, Computer Science, or related field

10+ years of relevant experience

Job description

Cambridge International Systems, Inc. is looking for a Senior Systems Engineer to support operations in Riverside, CA. The role is contingent on a contract award with an expected start date in July 2026. This full‑time CONUS/OCONUS position requires an active DoD Secret clearance.

The base salary range for this role is $92,000 – $150,000 annually, depending on geographic location and experience. The final offer will be based on relevant experience, skills, internal equity, and market data.

This position may be subject to the Service Contract Labor Standards Act (SCLS)/Service Contract Act (SCA).

What You’ll Do

• 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

• 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. This position is one of many opportunities on our global team. 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.

Equal Opportunity Employer Statement

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 [e-mail].