Niwot, CO

Engineer Jobs in Niwot, CO

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Optical Systems Engineer

Arete Niwot, CO

Niwot, CO

Today

$95k - $165k/yr Full time Data Analysis Design Engineering

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Job Description

Arete is seeking an Optical Systems Engineer to help design and build laser and optical systems in support of laser and sensor development programs, including DoD-funded research and development. This onsite role in Niwot, CO combines hands-on build and test work with modeling, simulation, and technical reporting, with opportunities to support field demonstrations and prototype electro-optical systems. The package includes comprehensive insurance and time-off benefits, retirement and employee ownership contributions, and support for continuing education.

What you will do

Drive technical research for laser and sensor development programs
Prepare calculations, models, and simulations to predict laser system performance
Analyze experimental data to assess laser system performance and validate results through analysis
Develop laser and optical system specifications, including component specifications and tolerances
Assemble, align, and test lasers and optical system systems, coordinating with manufacturing and engineering staff to support design
Design optical fixturing and execute tests to support alignment, construction, and performance verification
Inspect optical components and systems, and document designs, procedures, and performance
Prepare and present technical briefings, participate in design reviews, and maintain system documentation
Prepare electrical and optical hardware for demonstrations and experiments
Plan and execute field tests and demonstrations of prototype hardware electro-optical systems and components
Support proposal preparation for new technical work
Serve as principal investigator for DoD research and development projects and submit technical proposals for R&D programs
Perform additional duties as assigned

What you bring

Proficient theoretical understanding of laser physics, optics, and design approaches
Demonstrated capability in hardware build and test
Experience in executing DoD funded research and development programs
Ability to balance technical and business constraints in development projects
Intellectual curiosity and desire for continuous learning
Entrepreneurial mindset, quick understanding of overall project objectives, and selecting best suited solutions
Skilled and innovative problem solver who works well independently and as part of a team
Strong work ethic, detail oriented, and inquisitive with critical review of technical work by peers
Responsive to technical questions and review from peers and technical management
Comfort adapting to a wide variety of roles supporting different laser, lidar, and optical system development projects
Proficient use of MS Office software (Word, PowerPoint, Excel)
Proficient operation of standard electrical and optical test equipment (e.g., oscilloscopes, signal generators, laser sources, spectrometers, detectors, etc.)
Proficient in Matlab, Mathematica, Python, or other scientific computing language
Basic understanding of optical detectors and radiometry
Ability to develop models and simulations of laser dynamics to support optical designs
Ability to develop code to process collected sensor data
Ability to independently research available literature to fill knowledge gaps as needed

Tools and technologies

MS Office (Word, PowerPoint, Excel)
Oscilloscopes, signal generators, laser sources, spectrometers, detectors
Matlab, Mathematica, Python

Benefits

Medical, Dental & Vision Insurance
Life and Long-Term Disability (LTD)
Vision Reimbursement
Fitness Reimbursement
Company-funded 5% contribution to your 401(k) retirement plan
Company-funded 5% contribution to your Employee Stock Ownership Plan
Continuing Education Assistance
Flexible Scheduling
Paid Time Off (PTO)
Paid Parental and Bereavement Leave

Preferred qualifications

Remote sensing systems (visible, IR, lidar)
Solid state laser development experience
Experience with COMSOL, Zemax, Ansys, Solidworks, CREO, or other design software
Familiarity with Structural Thermal Optical Performance (STOP) analysis workflows
Active security clearance

Eligibility and screening

U.S. citizenship is required to meet position eligibility.
Successful passage of a criminal background screen is required to meet position eligibility.
Selected applicants will be subject to a government security investigation and must meet eligibility requirements for access to classified information.
Successful passage of a Department of Transportation (DOT) drug test is required to meet position eligibility.
If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access the website because of your disability. To request an accommodation, contact Areté Human Resources at 818-885-2200.

Salary: USD 95,000 - 165,000 per yearly.

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4mo ago

Lead Opto‑Electronics Engineer

Particle Measuring Systems Niwot, CO

Niwot, CO

4mo ago Closed

$140k - $175k/yr Full time Electrical Engineering Electrical Design Engineering

This position is no longer accepting applications (closed Jul 17, 2026).

Job Description

Benefits and culture

Particle Measuring Systems offers a hybrid in-office and remote work setup in Niwot, Colorado, with opportunities to mentor teams and influence the direction of advanced photonics R&D. The environment emphasizes collaboration across disciplines, rigorous engineering, and delivering reliable, high-sensitivity detection solutions.

Health coverage: medical, dental, vision, FSA, onsite clinic (CO employees), life insurance
401(k) retirement plan with company match
Vacation, holiday, and leave policies
Tuition reimbursement
Employee recognition programs
Employee assistance programs

Location: Niwot, CO (hybrid). Reports to the Research Director. The role centers on setting technical direction and leading the development of high-sensitivity detection systems while mentoring engineering and research staff.

Responsibilities

Architect and implement ultra‑low‑noise analog front‑end electronics to maximize signal‑to‑noise ratio in optical detection systems
Define detector requirements and specifications for photodiodes, APDs, SPADs, SiPMs, and arrays in collaboration with vendors
Lead the development and evaluation of optical imaging and light collection systems for weak‑signal environments
Analyze detector physics, noise sources, and system‑level performance limitations
Research and evaluate emerging photonics and detector technologies to guide R&D directions
Provide technical leadership, mentorship, and knowledge transfer to engineering and research staff
Collaborate with cross‑functional teams to support advanced instrumentation development programs
Continuously evaluate processes for improvements in efficiency, quality, and performance
This role is not all‑inclusive; responsibilities may evolve to meet organizational needs

Requirements

MS in Electrical Engineering, Physics, Photonics, Optical Engineering, or related field
Very low level light detection systems experience
Low noise amplifier design and circuit architecture
Precision PCB layout for sensitive analog systems
Optical detection and imaging systems expertise
Fifteen (15) years of relevant experience
Deep understanding of photonic detector devices and associated electronics
Strong analytical, experimental, and problem‑solving skills
Ability to independently evaluate and guide advanced photonics technology directions
Strong communication, collaboration, and mentoring capability

Technologies

photodiodes
APDs
SPADs
SiPMs
photon counting
TCSPC

Compensation and benefits

Salary range: $140,000 - $175,000 per year, depending on experience. The company bases pay on market data across local, national, and industry benchmarks. Offers typically fall within the minimum to mid-range of the stated band, with flexibility to recognize experience, skills, and education. The approach supports internal equity and external competitiveness while allowing growth opportunities.

Work environment and physical requirements

This is an in-office position 80-100% of the time. The remainder may be performed from home. Schedule details will be set in consultation with the Manager.
Primary work is in an office, lab, or manufacturing environment. Must be able to sit, stand, and use a computer for extended periods.
Occasional lifting of up to 20 lbs may be required
Occasional work in laboratory environments with exposure to X-rays, radiation, and biological materials. All work follows established safety protocols and regulatory guidelines
Reasonable accommodation may be made to enable individuals with disabilities to perform essential functions

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Engineer Jobs in Niwot, CO

Optical Systems Engineer

Lead Opto‑Electronics Engineer

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