Photonics Jobs
Scroll down the page for detailed information about our Photonics Program and view our full list of Photonics employment opportunities!

Invent Your Future in advanced photonic technology. 

Growing from its Bell Labs roots, LGS is the successor to the former Lucent Government Solutions business unitLGS was acquired by CACI in March of 2019, and is now proud to be a part of CACI’s Ever Vigilant team dedicated to meeting our nation’s most critical missions in photonic technology and free-space optical (FSO) laser communications. 

The Mission:

Our Photonics team's mission is to help scientists discover biohazards, support intelligence, surveillance, and reconnaissance missions, and to protect soldiers from explosive devices.

Our Impact:

We are changing the technical landscape. We break technical barriers and challenge the status quo! Some of the main application areas we focus on include:

  • Free Space Optical Communications: We have extensive technical expertise in the areas of high-power optical amplifiers, modems, terminals, and end-to-end systems for free-space optical communication systems in space and other challenging environments. 
  • Remote Optical Sensing: We develop and deliver custom laser transmitters for LIDAR, remote chemical-sensing, targeting, and directed-energy applications!
  • Optical Signal Processing: Our technology enables optical-domain signal processing in custom, photonic-integrated-circuits, and nonlinear optical fibers for both digital and RF analog applications.

Why Work With Us:

When you join the Photonics team, you will work on multiple facets of exploiting the generation, detection, and modulation of light for imaging, advanced communications, and sensing systems. You might find yourself designing custom optical fibers, new lasers and amplifiers, high-speed optical transmitters, and ultra-sensitive receivers, or integrated optical circuits. It takes a creative, technical, and dedicated individual to think outside the box as we discover new laser technologies!

The sky is not the limit when you join us! Our entrepreneurial environment fosters your best ideas and allows you to build your career to fit your creativity. We’re always looking for the best and brightest to join our ranks and share the fun.


Our Photonics Team is Hiring!


CACI International Inc is a place where stability and growth are offered every day. The secret to our success is CACI's vibrant culture and strong foundation of good character - firmly based on ethics, integrity, and doing the right thing which unifies us and motivates us.
​​​​​​​Consider a career at CACI, named a Top Workplace by multiple cities nationwide and Fortune's World Most Admired Companies in 2021. 
Click here to view our video and see what we're all about!


​​​​​​​Our Benefits


The well-being of you and your family comes first. We offer  comprehensive health  and wellness programs.
Medical, Prescription, Dental, & Vision Coverage
Health Management Programs
Company provided HSA & HRA
Wellness Program & Coaching
Employee Assistance Program
Disability Support
Gym Partnerhips
Smoking Cessation Program
Life & AD&D Insurance


Whether you're planning a vacation or recovering from an illness, our PTO and leave programs make it easy for you!

Floating Holidays & Paid Holidays
Jury Duty Leave
Sick Leave
Company paid STD & LTD 
Parental Leave
Bereavement Leave
Military Leave
PTO Cash-Out

Learn More about Benefits > 

We'll help you build your future & provide you with the right financial programs & incentives to do so. 

401(k) Savings with Company Match
Discounted Employee Stock Purchase

Tax-Advantaged Payment Options
Credit Union Eligibility
Tuition Reimbursement Program
SoFi Student Loan Refinancing
Employee Referral Program

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