Systems Engineer

We are seeking an experienced Systems Engineer to join our team in supporting the Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) Systems Business area. Our mission is to provide actionable intelligence for warfighters and decision-makers through innovative technical solutions. The Space Systems Product Line is a leading provider of advanced, high-reliability space electronics and mission systems, enabling a variety of civil, commercial, and national security space missions. As a part of our team, you will contribute to the development of advanced processing solutions, RF and optical payloads, and cross-domain solutions that enhance mission capabilities.

• Collaborate as part of a multi-disciplinary team to support an established product actively deployed.
• Create engineering solutions for airborne platforms.
• Solve complex problems found in the field and support the entire engineering life cycle.
• Support and present at key customer milestones, collaborating with other talented engineers to develop technical solutions.
• Support test design, preparation, conduct, and reporting for complex EO/IR systems.
• Manage requirements, including requirements derivation, tracking of requirements traceability from system to sub-assemblies, and tracking of requirement verification activities.
• Develop detailed verification artifacts in support of system-level sell-off activities.
• Support system performance modeling and test activities throughout qualification programs and/or engineering tests.

• Must currently possess a Secret clearance.
• BS degree in a technical area (Engineering, Computer Science, Physics, Math) with 6 to 8+ years of experience.
• Prior experience working across the System Engineering lifecycle and processes.
• Strong experience with mathematical model tools/languages such as MATLAB, Python, etc.
• Experience with Control Systems, EO/IR pointer/tracker systems, and Algorithm design.
• Knowledge of Free-Space Optical systems and optical communications theory.
• Experience conducting trade studies involving active sensors, optical designs, link budgets, SWaP, and environmental constraints.
• Knowledge of Model Based Systems Engineering (MBSE).
• Performance testing of Electro-optical components, sub-systems, and complete systems.
• Experience in defining, allocating, validating, and verifying system performance throughout the System lifecycle.
• Ability to prioritize work, multi-task, and adjust to time constraints.
• Possess a drive for continuous improvement and product ownership.
• Strong analytical and critical thinking skills; a creative and proactive thinker who enjoys solving complex problems.
• Excellent communication skills (written and verbal).
• Experience as part of a multidisciplinary project team.

• Hold a Top Secret clearance.
• Experience with optical communication receivers including coherent I-Q demodulation, delay line interferometers, and intensity modulation waveform detection both with and without pre-amplification.
• Experience with optical communication transmitters.
• Masters degree in Systems Engineering.
• Experience with Agile Methodologies and Tools.

The Space Systems Product Line develops high-reliability electronics and mission systems supporting civil, commercial, and national-security space missions. Programs include advanced processing solutions, RF and optical payloads, and other technologies supporting complex space missions. Engineers have the opportunity to work on challenging technologies with direct mission impact while collaborating across highly technical, multidisciplinary teams. The work environment is dynamic, fostering innovation and teamwork in pursuit of our mission objectives.

This is a Contract position based out of Nashua, NH.

The pay range for this position is $80.00 - $105.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave)

This is a Contract position based out of Nashua, NH.

This position is anticipated to close on Nov 18, 2026.

This is a fully onsite position in Nashua,NH.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.