Cornerstone Defense LLC is a Small Business servicing the Intelligence, Defense, and Space communities of the U.S. Government. Cornerstone Defense specializes in cloud architecture, enterprise engineering, systems and network engineering, systems and network security, and application and software development. We use these foundational technology areas to deliver solutions for data analytics, cyber, and space/mission operations, customized to meet mission requirements. We are headquartered in Herndon, VA, with employees working across the U.S including DC, MD, CO, UT, NM, HI, and CA. At Cornerstone Defense, you’ll find a partner that values strong relationships, excellence, and teamwork. Our team is a network of professionals who are dedicated to providing agile, secure, and efficient solutions to support mission success. With Cornerstone Defense, you’re not just choosing a service provider, but a committed, steadfast team with a culture designed to excel.
Vision & Mission
Mission
To foster an inclusive culture that emphasizes teamwork, excellence, and strong relationships. By maintaining low overhead we are able to operate a flat organization, improving employee satisfaction and retention, while providing unparalleled support to our clients, thus helping them thrive in their mission spaces.
Vision
Empowering our clients and advancing their missions by connecting them with emerging technologies and highly-skilled personnel tailored to the customer’s unique needs, while providing our employees with a diverse array of opportunities for personal and professional growth.
Meet The Team
Reilly Leonard
Chief Operating Officer
Reilly Leonard
Chief Operating Officer
Patrick Palmer
Chief Executive Officer
Patrick Palmer
Chief Executive Officer
Brian Sammons
Chief Financial Officer
Brian Sammons
Chief Financial Officer
Darcelle Wilson
VP of Human Resources
Darcelle Wilson
VP of Human Resources
Brandon Altmann
Chief Growth Officer
Brandon Altmann
Chief Growth Officer
Michelle Allen
Director of Systems and Security, FSO
Michelle Allen
Director of Systems and Security, FSO
Virginia Blair
Director of Marketing & Operations
Virginia Blair
Director of Marketing & Operations
Kaitlin Krywy
Managing Director, Aerospace & Defense
Kaitlin Krywy
Managing Director, Aerospace & Defense
WHERE CAN WE HELP?
To find out more information on where we can help you, services we provide,
joining or partnering with our team, please select one of the links below!
WHAT WE DO
We bring together a unique blend of cutting-edge capabilities, specialized expertise, and a remarkable company culture that focuses on the recruitment and retention of highly-sought-after employees.
As usual, YES, we’re hiring but we also do a lot of other important things at Cornerstone Defense... like argue about the best band of the ‘90s! 🎸🥁
We took a break from our usual mission-critical work to tackle the ultimate debate, and the word cloud results are officially in. 🌩️✨ Is your favorite on this list?! If not, who did we miss... and if so, who is your favorite on this list?! 👇
Are you Team Nirvana 🌲, Team Pearl Jam 🎸, or are you ready to fight for a total wildcard? Let’s settle this in the comments!
👇 Drop your vote below! 👇(And p.s... if you want to join a team that takes our work seriously but our ‘90s rock very passionately, check out our open roles at the link in the comments! 🚀) ...
We consider ourselves social event experts, but our happy hour at Level 99 last week had to be one of our best events of all time! 💥Swipe through to see our team in action taking on the ultimate interactive challenge games. Level 99 in Tysons was the perfect playground for some serious team building! We put our minds and bodies to the test, tackling everything from intense physical and mental challenges to crawling through intricate mazes and even dodging axes! 🪓👀
Beyond the fun and games, we were blown away by the incredible, immersive artwork built into every single game room. Win or lose, the vibes were unmatched—especially complemented with some truly amazing food and drinks. 🍕🍹It’s safe to say we had an unforgettable experience pushing our limits and laughing the entire time!
Now, we want to hear from you! Drop your favorite happy hour or work events in the comments below so we can add them to our list for our next team outing! 👇✨ ...
Need we say more, or have our Cornerstone mascots done that for us !? 😂🤗 🧜♀️🐯🦄Just a reminder to PLEASE attend to your time cards, wherever you work! (But especially if you do work with us at Cornerstone, it would make us so, so happy! 😉✅) ...
Any chance you can relate!? 😂😂 Just a little GovCon humor today to remind you as always ... WE’RE HIRING! Check out the JD, below, for one of our hottest jobs for an NOC Technician. If it looks like a fit, reach out, or check out our other hot openings on our website! 🔥🔥🏢🏢
Title: NOC Technician III – Transport/IP (Trip) Location: Scott AFB, IL Compensation Range: $50 - $70k Clearance: *Active Secret Clearance required* Schedule: Rotating w/ 10% Travel
Position Description: The NOC Technician III provides advanced network monitoring, fault analysis, incident correlation, service restoration, and customer coordination for DISN transport and IP infrastructure. This senior‑level role requires deep technical expertise, strong analytical skills, and the ability to lead complex troubleshooting within a high‑tempo operations environment.
Full job description available on our website ! ...