Senior Engineer
Carlsbad, CA
Category: Engineer
Industry: Technology
Standard Hours: Open
Reference ID: JN -112026-109295
Date Posted: 11/01/2026
Shortcut: http://careers.eliassen.com/TD4ipT
Description:
On-site in Carlsbad, CA
Our client seeks a Senior Engineer who will operate as a Principal Investigator for a digital signal processing, sensing-centric development program. The role requires system-level expertise in mixed-fidelity simulation development and analysis for sensing systems, spanning signal acquisition, embedded processing, software, hardware, integration, and test. The engineer will serve as the technical authority for end-to-end simulation architecture, from sensing elements through data processing and system performance, while interfacing with customers and developing advanced simulation frameworks.
Due to federal security clearance requirements, applicant must be a United States Citizen with an active Secret clearance. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $100.00 to $120.00/hr. w2
Responsibilities:
- Lead design, development, and validation of mixed-fidelity simulation frameworks across sensor phenomenology, signal acquisition, processing pipelines, and system performance.
- Define simulation architecture strategies for next-generation sensing systems, including sensor element selection, processing chain topology, and hardware/software partitioning.
- Develop physics-based models of sensing elements, noise sources, and interference conditions.
- Author validation plans and correlate simulation outputs with HIL, bench, and field test results.
- Maintain modular, version-controlled simulation repositories with expanding model coverage and fidelity.
- Develop and apply detection, estimation, filtering, spectral analysis, and statistical characterization algorithms.
- Model signal chains end to end, including noise, interference, and environmental effects.
- Define and evaluate processing performance metrics and translate findings for hardware and embedded software teams.
- Validate models against measured data and close fidelity gaps through iterative refinement.
- Serve as principal investigator and technical lead, aligning algorithm, embedded software, hardware, and systems teams.
- Lead technical reviews including PDR and CDR, deliver simulation products, and provide peer review.
- Identify capability gaps and drive roadmap improvements.
- Mentor junior engineers in simulation methodology, signal processing, and analysis practices.
- Interface with customers on methodology, assumptions, uncertainty quantification, and performance predictions.
- Translate complex results into concise findings and technical reports for leadership and customers.
- Support proposals by defining simulation scope, articulating discriminators, and contributing to SOW and BOE.
Experience Requirements:
- B.S. in Electrical Engineering, Physics, Computer Engineering, or a related field. Advanced degree preferred.
- 10+ years in modeling and simulation of sensing or signal processing systems with ownership of simulation frameworks.
- Proficiency with MATLAB/Simulink and Python ecosystems such as NumPy, SciPy, and PyTorch.
- Experience structuring large, maintainable simulation codebases.
- Prior experience as a principal investigator or technical lead on a U.S. government or defense program with direct customer interaction.
- Ability to obtain and maintain a Top Secret/SCI security clearance.
- Willingness to travel up to 10%.
- Ability to work on-site in Carlsbad, CA preferred or Tempe, CA.
- Helpful: experience with RF, EO/IR, acoustic, or lidar sensors and phenomenological modeling; AFSIM; embedded or real-time DSP on FPGA or embedded CPUs; HIL integrated with bench or field test; MBSE and system performance budgeting; track record of publications or patents.
Education Requirements:
- B.S. in Electrical Engineering, Physics, Computer Engineering, or a related field. Advanced degree preferred.
- Active Secret Clearance or higher.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland 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.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above