Principal Optical Engineer
QinetiQ
Company Overview
We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR).
QinetiQ US's dedicated experts in defense, aerospace, security, and related fields all work together to explore new ways of protecting the American Warfighter, Security Forces, and Allies. Being a part of QinetiQ US means being central to the safety and security of the world around us. Partnering with our customers, we help save lives; reduce risks to society; and maintain the global infrastructure on which we all depend.
Why Join QinetiQ US?
If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems. In our diverse and inclusive environment, you can be authentic, feel valued, be respected, and realize your full potential. QinetiQ US will support you with workplace flexibility, a commitment to the health and well-being of you and your family and provide opportunities to work with a purpose. We are committed to supporting your success in both your professional and personal lives.
Position Overview
QinetiQ US is seeking an experienced Principal Optical Engineer with strong laboratory and prototype integration experience to support system integration on multiple defense-oriented programs through the full product life cycle, from the lab to the field.
Responsibilities
Provide optical subject matter expertise in support of developmental, prototype, and transition to manufacturing efforts.
Perform DRI (detection, recognition, identification) range analysis of electro-optical/ infrared (EOIR) systems.
Work with multidisciplinary engineering teams to integrate optical and sensor components, supporting the entire product lifecycle from conceptualization to manufacturing and sustainment.
Maintain and utilize an optical laboratory to support development, testing, and prototyping efforts, including equipment such as integrating spheres, collimators, optical alignment stations for centration and tip/tilt, and more.
Build and align benchtop prototypes, conduct experiments, and validate performance against design requirements. Verify optical designs and test delivered optical assemblies to ensure compliance with specifications and requirements.
Characterize performance of EOIR sensors, typically broadband focal plane array type visible, near infrared (NIR), shortwave infrared (SWIR), midwave infrared (MWIR) and longwave infrared (LWIR) sensors, but also others as needed.
Use laser sources and other methods to perform precise alignment of optical components and telescope systems. Work with visible and invisible pulsed and continuous laser sources.
Define optical and sensor component and system specifications and select optical components including lasers, sensors, displays, optical stabilization systems, and lenses to meet program requirements.
Design, simulate, tolerance, and optimize optical systems, components, and lens layouts using Zemax to generate baseline reference designs for further design and fabrication by external vendors. Simulate laser parameters with Excel or Zemax.
Interpret stray light analysis and generate specific design recommendations for baffles, coatings, stops, etc., to minimize stray light in systems.
Generate technical documentation and reports and convey or present the information to management and the customer.
Required Qualifications
Bachelor's degree in optical engineering or related field
15+ years of experience in optical design and related fields relevant to the position responsibilities, including strong prior experience working in the defense or aerospace industry
Experience in laboratory environments including expertise with opto-mechanical assembly, alignment tools, optical bore sighting, laboratory testing
Design experience incorporating HD visible sensors, SWIR, MWIR, LWIR sensors with optical assemblies (including fixed focus and zoom configurations) and into higher-level systems
Experience modeling visible, SWIR, MWIR and LWIR sensor systems to predict system performance for detection, recognition and identification of objects
Knowledgeable in techniques and specifications for Optical Image Stabilization (OIS) and Fast Steering Mirrors (FSM)
Experience in specifying displays, especially near-eye displays for systems such as sights, binoculars, and AR/VR systems
Experience designing and modeling lenses and other optical components in Zemax
A solid knowledge of relevant optical component suppliers
Up 10% travel to support project needs, including to QinetiQ sites, customer sites, military installations, and other locations
Must have active Secret or higher level clearance #QinetiQClearedJob
Preferred Qualifications
Experience modeling sensor systems in NVIPM (Night Vision Integrated Performance Model)
Experience mentoring junior optical engineers
Experience with hyperspectral systems
Strong technical writing and presentation skills
Experience with laser designators, laser range finders, laser dazzlers, and other tactical laser systems, and methods of beam steering
Company EEO Statement
Accessibility/Accommodation:
If because of a medical condition or disability you need a reasonable accommodation for any part of the employment process, please send an e-mail to View email address on click.appcast.io or call View phone number on click.appcast.io Opt. 1 and let us know the nature of your request and contact information.
QinetiQ US is an Equal Opportunity employer. All Qualified Applicants will receive equal consideration for employment without regard to race, age, color, religion, creed, sex, sexual orientation, gender identity, national origin, disability, or protected Veteran status.
- ...Principal Optical Engineer Job Locations 5 hours ago(5/19/2026 3:06 PM) Job ID 2026-12126 Posted Date Engineering Job Location US-VA-Lorton Company Overview We are a world-class team of professionals who deliver next generation...SuggestedNight shift
$180k - $200k
...Description We are seeking an experienced Principal Optical Engineer with strong laboratory and prototype integration experience to support system integration on multiple defense-oriented programs through the full product life cycle, from the lab to the field. Responsibilities...SuggestedPermanent employmentTemporary workNight shift- A leading company seeks an entry-level electro-optical engineer to support the US Army’s Research and Technology Division at Fort Belvoir, VA. The role involves designing, developing, and testing laser-based systems. Ideal candidates should have a Bachelor's degree in...SuggestedFull time
- Job Description Fibertek is seeking a highly skilled and detail-oriented engineer to support the U.S. Army’s Research and Technology Division at Fort Belvoir, VA, as an entry-level electro-optical engineer. The role involves research, development, demonstration, and...SuggestedFull timeRemote workRelocation package
- ...Department Summary MITRE Lab's Quantum Information Sciences, Optics, and Imaging Department serves as a vanguard for MITRE to meet... ...Responsibilities The MITRE Corporation is seeking a smart, energetic engineer or scientist with experience in optical physics and lasers to...SuggestedWork experience placementLocal areaImmediate startRemote work
- ...SCI with CI Polygraph required Location: Chantilly or Springfield, VA Position Apogee is seeking an Expert-Level Systems Engineer to work within our dynamic Enterprise Engineering team. The Enterprise Engineering team supports the Government by providing systems...Temporary workWork at officeFlexible hours
- Peraton seeks an Engineering Analyst specializing in laser deconfliction in Virginia. The role involves validating orbital data, ensuring flight safety, and developing operational products to protect mission assets. Candidates should have experience with flight safety tools...Contract work
- General Dynamics Information Technology is hiring a Network Engineer to support mission-critical government projects in Newington, Virginia. In this role, you'll design, secure, and maintain resilient network architectures essential for national security and defense operations...
- ...Principal Systems Solutions Engineer QBE, LLC is a mission-focused technology and security solutions provider supporting defense and federal customers worldwide. We deliver high-impact capabilities where precision, accountability, and technical excellence directly...WorldwideNight shiftWeekend work
- ...Req Id: 206 Job Title: Program Chief Engineer Location: Herndon, VA - Herndon, VA 20171 US (Primary) Job Description... ...expertise across related disciplines including laser physics, electro-optics, systems engineering, electronics, signal processing, and...
- ...Cyber Assessments and Security Automation department within the Cyber Solutions Innovation Center is seeking a Principal level Cybersecurity Assessment Engineer to lead the department's contributions across our portfolios. The department supports all of MITRE by...For contractorsWork experience placementInternshipLocal area
- ...way people work, and in doing so, we develop the Appian platform to be simple so our customers can thrive. As a Principal Workday Engineer, you will be embedded on a small team of technical staff, interact with key business stakeholders, and own the prioritized...Work at officeLocal area
$57.74k - $111.09k
...training, certifications, and rotational assignments. As a General Engineer, you will work under close supervision performing assignments... ...area of fundamental engineering science or physics, such as optics, heat transfer, soil mechanics, or electronics. Degree must be...- Responsibilities Serves as a Project Engineer for the Defense Logistics Agency (DLA) Energy in the Facility Sustainment Directorate. Serves... ...area of fundamental engineering science or physics such as optics, heat transfer, soil mechanics, or electronics. Education Professional...Full timeInternship
- ...$111,087 GS-12: $102,415 - $133,142 To qualify for a General Engineer, your resume and supporting documentation must support: Basic... ...comparable area of fundamental engineering science or physics, such as optics, heat transfer, soil mechanics, or electronics. OR A...For contractorsInternship
$57.74k - $111.09k
Austin Community College seeks a General Engineer under the Army Fellows Program in Fort Belvoir, Virginia. This civilian position offers training and career advancement opportunities. Responsibilities include assisting in design, inspections, problem identification, and...- ...Principal Network Security Engineer Tysons, Virginia The Principal Network & Security Engineer is responsible for the management, lifecycle operations, and security of the organization's Cisco-based networking infrastructure. This individual will be expected to lead...Casual workWork at officeImmediate startRemote work
- ...Job Description Job Description Hazen and Sawyer is seeking a Principal Engineer for our Fairfax, VA office. Why Hazen and Sawyer: Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular...Temporary workWork at officeLocal areaImmediate startFlexible hours
$87.6k - $137.6k
...are not only part of history, they're making history. Northrop Grumman Space Systems (NGSP) is seeking an experienced Systems Engineer - Level 2 or Level 3 to support a program out of our Linthicum, MD or Fairfax, VA offices. What You'll Get to Do: Performs system...Relocation packageShift work- ...Position Title: Principal Systems Engineer Requisition ID: 1736 Position Location: Fairfax, VA / Concord, NH (onsite) Position Reports To: Senior Principal Systems Engineer Supervises Others: No At Trident Systems Space Electronic Systems (SES) division...Permanent employmentTemporary workFor contractorsLocal area
- ...Position Title: Principal Network Engineer Requisition ID: 1762 Position Location: Fairfax, VA Position Reports To: Engineering Technical... ...electronics & processing systems including digital RF & Optical command and control solutions and atmospheric & airborne...Temporary workFor contractorsWork experience placementLocal area
$154k - $178k
...A defense electronics organization is seeking a Principal Systems Engineer to support its Space Electronic Systems (SES) division. This role is responsible for leading crossdisciplinary engineering teams in the development and delivery of advanced, highreliability spacebased...Full timeWork from home2 days per week1 day per week- US-Defense-Logistics-Agenc is seeking a General Engineer to work in Fort Belvoir, Virginia. The ideal candidate will have a Bachelor's degree in engineering, with a solid understanding of climate change impacts on infrastructure. The role involves performing engineering...For contractors
- ...Orbis is seeking a Principal Network Engineer to set architectural vision across Catalyst — our secure, multi-cluster service mesh platform — and define how teams within the domain build and ship. You will serve as the senior escalation point for architectural decisions...Local area
- ...Opportunity Details Employee Principal Systems and Integration Engineer 102174 Springfield, VA Principal Systems and Integration Engineer Location: Springfield, VA Required Clearance: Top Secret/SCI with CI Poly Since 1999, ITEC...Contract workFor contractorsFlexible hours
$150k - $200k
...of millions of Americans. We're looking for an experienced Principal ML OpsEngineer to support our customers and join our... ...to run ML systems in production and the practical needs of ML engineers building and deploying models. What you'll do: Design, build...Live inRemote workFlexible hours- ...the choice you want to make, then choose MITRE - and make a difference with us. MITRE is seeking a Principal level Positioning, Navigation, and Timing (PNT) Engineer to join MITRE Technology and Engineering (L652). This individual will serve as a technical leader,...InternshipLocal area
$121.4k - $182k
...Principal Cyber Systems Engineer At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to...For contractorsWork at officeLocal areaWorldwideShift work$121.4k - $182k
...resources, support, and team to do some of the best work of your career. We are looking for you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber Systems Engineer level based out of McLean, VA. Responsibilities : Work in a chemical...For contractorsWork at officeLocal areaWorldwideRelocation packageShift work- ...Principal Systems Engineer - Space Electronics Location: Fairfax, Virginia (Primary) - Open to CO / NH Job Type: Full-Time Positions: 1 Experience Required: 9 - 15 Years Work Environment • Hybrid: 4 days/week onsite • High-...Full timeLocal areaRelocation
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Optical Engineer. Be the first to apply!


