WELCOME TO

Cornerstone

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

With our leadership team, a strong set of core competencies within cloud, cyber, and space we have a robust toolbox to help support your team’s mission.

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PARTNER WITH US

One of the fastest growing systems integration firms, Cornerstone Defense is the premier provider of IT staffing solutions for the Intel, DoD & Space community.

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WORK WITH US

Search through all of our open positions. With clients and programs that span across the nation, we are sure to have the next great opportunity for you!

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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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Hiring: Quality Assurance Linux Administration (2 roles) 🐧🛡️
If your happy place is a terminal window and you can spin up bare‑metal or virtual Linux servers before your coffee cools, we want to meet you. We’re adding two QA Linux Admins—one Level 1 and one Level 2—to help keep mission‑critical systems secure, compliant, and humming across time zones. 🌍
 
What you’ll do
Stand up and harden Linux servers (bare‑metal + virtual), then keep them secure and stable in live and lab/test environments. 🧱⚙️
Drive security compliance (SSP knowledge = big bonus ✅) and maintain systems through updates and audits. 🔐
Learn customer software/hardware capabilities—and keep them maintained like a pro. 🧠🔧
Partner directly with government leadership to roll out updates across multiple projects. 🏛️🚀
Support local + remote customers across multiple time zones (yes, we coordinate the timestamps 😉). 🕰️
 
Open roles (2)
Level 1: 4️⃣ years experience + Bachelor’s 🎓
Level 2: 9️⃣ years experience + Bachelor’s 🎓
 
Linux culture welcome here—whether you say directory or (oops) folder. Apply today and help us keep systems battle‑ready.
👉 Apply via our website!
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Hiring: Quality Assurance Linux Administration (2 roles) 🐧🛡️
If your happy place is a terminal window and you can spin up bare‑metal or virtual Linux servers before your coffee cools, we want to meet you. We’re adding two QA Linux Admins—one Level 1 and one Level 2—to help keep mission‑critical systems secure, compliant, and humming across time zones. 🌍
 
What you’ll do
Stand up and harden Linux servers (bare‑metal + virtual), then keep them secure and stable in live and lab/test environments. 🧱⚙️
Drive security compliance (SSP knowledge = big bonus ✅) and maintain systems through updates and audits. 🔐
Learn customer software/hardware capabilities—and keep them maintained like a pro. 🧠🔧
Partner directly with government leadership to roll out updates across multiple projects. 🏛️🚀
Support local + remote customers across multiple time zones (yes, we coordinate the timestamps 😉). 🕰️
 
Open roles (2)
Level 1: 4️⃣ years experience + Bachelor’s 🎓
Level 2: 9️⃣ years experience + Bachelor’s 🎓
 
Linux culture welcome here—whether you say directory or (oops) folder. Apply today and help us keep systems battle‑ready.
👉 Apply via our website!
... See MoreSee Less

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Accountability isn’t just a value — it’s a commitment that shapes every decision, every interaction, and every outcome. In last quarter’s newsletter article, our CEO reflects on what accountability and ownership really look like inside an organization — and why they must start at the top.

From the expectations we set, to the environments we create, leaders set the tone. And when accountability is present at every level, teams can truly thrive, innovate, and trust one another.

Swipe through to read the full message, including a re‑imagined thought on one of Neil Peart’s most iconic lines — and why it resonates so strongly with how we show up for our people every day.

👉 Swipe to read, and drop your thoughts in the comments: What does accountability mean to you as a leader, coworker, or part of the Cornerstone team?
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It may be raining at our Herndon office today 🌧️, but that just makes it the perfect moment to keep the “Where in the World is Cornerstone Defense?” series rolling!

So tell us… where in the world are you today?
• Holding it down at the office? 🖥️
• Soaking up the sun on vacation? ☀️✈️
• Working remote somewhere with an unforgettable view? 🌄🌍
• Or maybe cozied up at home with your favorite mug? ☕🏡

Drop a comment and let us know — we love seeing how our Cornerstone community shows up from different corners of the world. ✨

And rain or shine, beach or boardroom… guess what? We’re still hiring! 🌎🚀
If you’re looking for your next mission‑driven opportunity, come join us.
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🤖✨ AI at Cornerstone Defense: Redefining the Future of Recruiting ✨🤖

We’re excited to continue our AI campaign by highlighting how our team is using artificial intelligence to elevate the candidate experience. Our recruiter, Katie Avalo, shared her behind‑the‑scenes look at how AI can support truly human‑centered recruiting:

“At Cornerstone Defense, our goal is not simply to place candidates into positions that match their resumes, but to help guide them toward meaningful and fulfilling career paths. While it may be straightforward to align someone’s experience with a job description, a resume alone does not capture a person’s ambitions, values, or long-term goals. That deeper understanding comes from asking the right questions and building genuine connections.

To support this process, I leverage AI tools such as our recruiting CRM software to explore potential career pathways based on a candidate’s background, skills, and interests. This allows me to present thoughtful, data-informed options that candidates may not have previously considered. By combining these insights with personalized conversations, I’m able to help individuals recognize their strengths, understand their value, and make more confident decisions about their next steps.”

✨💡 Katie’s perspective perfectly captures what this campaign is all about — AI that enhances the human touch, not replaces it. Stay tuned as we continue showcasing how smart technology + compassionate recruiting = stronger careers, stronger teams, and a stronger future! 🚀🤖💙
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