WELCOME TO

Cornerstone

About Us

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

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.

Learn More

WORK WITH US

Search through all of our open positions.

Learn More

GET IN TOUCH

Contact Us
  • Virginia
    13454 Sunrise Valley Drive, Suite 100
    Herndon, VA 20171
    Maryland
    2288 Blue Water Blvd, Suite 330
    Odenton, MD 21113
  • eFAX
    443.769.1559
  • Phone
    703.691.5100
Globe
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Can you relate!? 😂🙃 If so, check out the Program Manager JD, below — if it seems like a fit, we’d love to hear from you!
 
Job Overview
Role: Program Manager
Location: Colorado Springs, CO (On-site only)
Salary: $170,000 – $210,000
Clearance: Active TS/SCI with SAP Eligibility
Company: Cornerstone Defense
 
 
Key Responsibilities
Lead the Mission: Direct team priorities and align operations with user needs.
Manage Cybersecurity: Maintain system ATO through RMF, POA&M remediation, and security coordination.
Deliver on Time: Produce contract deliverables and CDRLs to government standards.
Synchronize with Space Force: Align technical refreshes and financials with acquisition rhythms.
Support Teams and Subs: Oversee subcontractors and maintain facility security postures.
 
 
Required Qualifications
Experience: Program or technical project management on classified DoD or IC programs.
Domain Knowledge: Space Domain Awareness (SDA) or Space Situational Awareness (SSA) missions.
Cybersecurity: Practical Risk Management Framework (RMF) and authorization experience.
Acquisition: Direct work with U.S. Space Force acquisition and financial processes.
Education: Bachelor’s degree in a technical field or equivalent experience.
Requirements: U.S. citizenship and ability to complete SCI/SAP indoctrination.
...

Can you relate!? �

Our office isnt in Hawaii — but maybe this is what it would look like if it was !? 🌺🐠🏝️But … we are hiring there, for several positions! Check out the job descriptions on our website for more info on our openings. If something looks like a fit, reach out and let’s get you hired! ✅✅ ...

Our office isnt in H

If you were looking for a sign — this was it! 😂 🚀 WE’RE HIRING: Industry Engagement Officer (Cyber) 🚀 Looking to drive cyber capability development at the highest levels of national security? We are hiring an Industry Engagement Officer to bridge the gap between commercial tech innovation and defense priorities.|
 
🔒 Active TS/SCI Clearance Required
💰 Salary: $150,000 – $180,000
📍 Location: Arlington & Alexandria, VA (DMV Area)
 
🎯 Key Responsibilities
• Strategic Partnerships: Map emerging commercial technologies to U.S. Cyber Command requirements.
• Acquisition Support: Evaluate capability documents (ICDs, CNS) to guide senior leadership investment decisions.
• Industry Engagement: Plan and lead quarterly Industry Days, tech exchanges, and defense workshops.
• Coalition Building: Connect private tech firms, academia, and FFRDCs with Department of Defense priorities.
🛡️ Qualifications
• Experience: Bachelor’s + 12 years OR Master’s + 10 years of technical/analytical support experience.
• Gov/Military Background: 5+ years as a USG civilian or military member.
• Tech Collaboration: 5+ years building USG-industry coalitions for emerging technology solutions.
• Executive Presence: Proven success briefing senior military, government, and tech executives.
👉 How to Apply: Drop a comment below, send a DM, or click the link in our bio!
...

If you were looking

Breaking news: Sweat is 100% tax-deductible. (Well, reimbursement-eligible, anyway!) 🏋🏼‍♀️💨
 
Reminder for current employees and potential hires ... if you needed a sign to finally sign up for that pilates class, buy those running shoes, or join that gym down the street... this is it.
 
Our Fitness Reimbursement Program is one of our favorite employee perks! We literally want to pay you to move.
 
How to get your cash back:
1️⃣ Work out.
2️⃣ Submit your receipt.
3️⃣ Get fit!
 
Have questions? Drop us a comment or send us a DM and we’d love to chat! 💪🏼⛹🏼🤸🏼‍♀️🏀
...

The interns have flown the coop! 🎓✈️ Last week on their final day, our 4 amazing summer interns wrapped up their journey with us in the best way possible. 🌟 Each of them crushed a final presentation, highlighting their biggest projects, proudest moments, and all the valuable skills they learned along the way. 📊💡 We are so incredibly proud of the hard work, fresh energy, and dedication they brought to the team every single day. 💛 While we hate saying goodbye, we know they are going to absolute rockstars in whatever they do next. 🌍🚀 Thank you all for a phenomenal summer, and good luck in your next chapters! 👋✨ ...

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