Posted:
1/16/2026, 12:34:50 AM
Location(s):
Huntsville, Alabama, United States ⋅ Alabama, United States
Experience Level(s):
Junior ⋅ Mid Level
Field(s):
Mechanical Engineering
Leidos has a new and exciting opportunity for a Quantum Photonics Engineer in our Intel Sector - Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
Job Description:
The Quantum Photonics Engineer to further advance our design capabilities in integrated photonics. This role will include performing simulation, design, and layout work to build integrated photonic devices for quantum applications. In addition, you will develop high-fidelity models for these photonic devices, which fall in the areas of Quantum Sensing and Communications. In this position, you will collaborate closely with other circuit designers and test engineers to understand requirements and provide the necessary support to ensure successful completion of project goals and tasks.
Responsibilities Include:
Simulate and design photonics components
Develop photonic integrated circuits through Python programming
Collaborate with fabrication and test teams to deliver promising solutions
Basic Qualifications:
Degree in physics, engineering, or other equivalent area of expertise and 4+ year of experience
Strong proficiency in object-oriented programming and software development best practices
Experience with optimization of photonic components using simulation tools (Lumerical, Tidy3D, or equivalent)
Familiarity with GDSFactory, KLayout, or similar design tools
Experience with open-ended numerical simulations and optimizations
Strong analysis, design, and problem-solving skills
Expert in Python programming
US citizenship with an active Top Secret clearance is required
Preferred Qualifications:
Team-based software engineering experience (version control, concurrent development, etc.)
Expertise and experimental background in nonlinear optics, atomic physics, quantum information science, and/or quantum photonics
Experience with nanofabrication processes and process design kits
Experience with design and packaging of heterogeneous devices
Experience creating GDSII/OASIS files programmatically
Strong background in data analysis and visualization
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Website: https://www.leidos.com/
Headquarter Location: Reston, Virginia, United States
Employee Count: 10001+
Year Founded: 1969
IPO Status: Public
Industries: Computer ⋅ Government ⋅ Information Services ⋅ Information Technology ⋅ National Security ⋅ Software