WELCOME TO

Cornerstone

Careers at Cornerstone

Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense. We seek, hire, and cultivate the future leaders in technologies, management, and operations. Reach out and start a conversation about how you can be a part of the Cornerstone Defense Team!

EXPLORE OUR CURRENT OPENINGS

TOP 5 Reasons to join us!

1

Core Values

Our core values are honesty, integrity, professionalism, and fairness. These values are utilized with all employees, partners, and clients. When faced with tough decisions, we ask ourselves “what is the right move?” In an industry that is constantly changing, our core values are not something that Cornerstone Defense will ever compromise.

2

Committed

We have a binding promise to our employees to make sure that they are prepared to provide the best service to our clients. Cornerstone Defense is committed to taking a holistic view of our team, ensuring each employee is able to balance successfully supporting their customer’s mission as well as maintaining a healthy lifestyle.

3

Approach

We use a consultative approach to hiring, employment, and execution. We look for quality employees and identify the appropriate opportunities for them, not the other way around. Our employees are always our number one concern. We firmly believe that if we take care of our employees, business will follow.

4

Attention

We focus on the details of efficiently managing personnel and business. We are consistently looking for new and unique ways to show our employees that they are the most important asset within the company. We fully understand and manage the need for both the Esprit de Corp and professional training for every Cornerstone Defense employee.

5

Transparency

We make every effort to communicate all aspects of Cornerstone operations with our employees. Transparency is fundamental to the culture of our company. We firmly believe that establishing a diverse and inclusive environment creates the best possible outcome for our employees, our clients, and the missions we support.

Check us out on Glassdoor.

Connect with us

Find us on Social Media and keep up to date with job openings and the latest news!

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
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✨ Celebrating a standout retention milestone: 75% of our 2025 hires are not only still with us — they’re thriving. 📈

This success reflects a culture built on growth, support, and real impact. 🙌 We’re grateful for a team that shows up, levels up, and makes a difference every day.

👉 Curious about who we are and how we work? Reach out today — DM us or contact the team to learn more about our company and culture. 🤝💬
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✨ Your next career move? It might just be on one of these sticky notes!

🔥 Check out this week’s hottest roles — they’re going fast!

If any of these are calling your name, let’s get you connected. 💼🚀 Reach out today!
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It’s Monday and we’re feeling lucky… are you!? 🍀✨

Because you’re in luck — we’re hiring!

At Cornerstone Defense, we’re not just filling roles… we’re building something big. 🚀 As an ever-growing force in the GovCon space, we’re leaning into the future — especially when it comes to AI, innovation, and staying ahead of what’s next. The industry is evolving fast, and we’re making sure we’re not just keeping up… we’re on the radar. 👀

If you’re cleared, motivated, and ready to be part of a team that actually sees you as more than just a number — this is your moment.

Don’t miss out on what we’re building.
Let’s make your next move your best one yet. 💼

📩 Reach out to us to learn more about our open roles and what makes Cornerstone Defense different.
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It’s Monday and we

AI is officially part of many of our corporate lives — but with so much noise, it can be overwhelming to ascertain what the real everyday applications actually look like. 👨🏻‍💻💻⌨️
 
In our new AI Spotlight Series, we’re highlighting how our team uses AI to streamline workflows, save time, and make meaningful impact in day‑to‑day tasks.
 
Today’s spotlight comes from John Santmyer, one of our recruiters. 👉 Swipe through to see how AI‑powered automation inside our CRM helps John quickly identify top candidates, re‑engage overlooked talent, and match people to open roles faster than ever.
 
Have your own AI use case? Drop it in the comments, or let us know if John’s experience matches how you’re using AI in your work.
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We’re Hiring, April Fools’ edition!  🤣🎊🎈 There are 10, silly edits from the first photo to the second. Can you spot them all? If you think you’ve got it, shoot us a DM and tell us what you think they are (so you don’t share the answers!) and we’ll put you in a raffle for a fun, Cornerstone branded prize. 😉 But most importantly — did you know, as always . . . WE’RE HIRING! 👷🏻‍♀️👩🏻‍⚕️🧑🏻‍🏭 ... See MoreSee Less

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