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. Understanding the value of human capital, our recruitment approach is heavily grounded in networking, established relationships, and word-of-mouth referrals that echo our strong company culture. It’s a testament to the environment we’ve created; one where individuals aren’t just numbers or seats to fill, but vital parts of a collaborative, innovative, and dynamic team.
Cornerstone Defense actively focuses on employee retention. We not only attract the top, talented candidates, but we keep them. The inclusive, positive environment that values employee contributions and promotes collaboration, teamwork, and continuous learning has engendered a loyalty that is exceptional in our industry.
Cornerstone Defense applies our proven Mission Driven Methodology to assist customers in making effective and informed decisions across their missions. We provide a team of experienced technologists, scientists, and subject matter experts to design and improve customer focused solutions. Cornerstone Defense is focused on providing core mission services and
solutions with a strong value proposition.
Cornerstone Defense was recently named the ninth fastest growing company in the government market. This award is a direct result of our customer-facing team of clients’ determination to get to ‘The Edge’ of differentiated technology in the protection of our nation.
The Cornerstone Defense Aerospace and Defense Sector spans diverse mission areas among the prestigious service branches of our nations Department of Defense and Intelligence Community. Our core capabilities are focused around cloud implementation and support, software development and engineering, exploitation of space operational data, system and network engineering, and space operations command and control.
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The Cornerstone Defense Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our operational support team focuses on building and deploying innovative tools and monitoring their effectiveness, while our intelligence analysts and targeting team helps our customers plan and conduct informed operations based upon precise intelligence. Organizations and agencies in this market include Military Intelligence, National Intelligence, Signals Intelligence/MPO, Cyber Command, Defense Intelligence Agency (DIA), Federal Bureau of Investigations (FBI), Department of Homeland Security(DHS), Drug Enforcement Agency (DEA), and the Department of State
(DoS).
The Cornerstone Defense MPO Sector excels in servicing the U.S. Government, with capabilities spanning Cybersecurity, Collection and CNO, Data Processing & Analytics, Enterprise Infrastructure, and Network Security. Our specialized expertise enables us to create agile solutions for mission operations and data analytics. Utilizing advanced cloud architecture, enterprise engineering, and software development, we deliver comprehensive cybersecurity measures, efficient data processing, robust enterprise infrastructure, and secure network operations, seamlessly integrating each aspect to optimize mission success.
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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. Understanding the value of human capital, our recruitment approach is heavily grounded in networking, established relationships, and word-of-mouth referrals that echo our strong company culture. It’s a testament to the environment we’ve created; one where individuals aren’t just numbers or seats to fill, but vital parts of a collaborative, innovative, and dynamic team.
Cornerstone Defense actively focuses on employee retention. We not only attract the top, talented candidates, but we keep them. The inclusive, positive environment that values employee contributions and promotes collaboration, teamwork, and continuous learning has engendered a loyalty that is exceptional in our industry.
Our capabilities are always growing, so if you have a problem and need support, we are looking forward to collaborating with you. Please contact us!
We would love to work with you – Your mission, is our mission!
Learn MoreFind us on Social Media and keep up to date with job openings and the latest news!
🚨 We’re Hiring! 🚨
Are you a systems-savvy pro with a passion for secure, high-performance networks? Cornerstone Defense is looking for a Systems Administrator in San Diego, CA, with deep expertise in network infrastructure, security architecture, cloud computing, and virtualization.
🔍 What You’ll Bring:
✅IAT Level II Compliance
✅ 4+ years of system management experience
✅ Mastery of LAN/WAN, VPNs, TCP/IP, DHCP, DNS
✅ Security-first mindset: firewalls, encryption, threat mitigation
✅ Cloud fluency: SaaS, IaaS, PaaS, hybrid deployments
✅ Hands-on with virtualization, performance tuning, and fault diagnostics
🌐 If you thrive in fast-paced environments and want to make a real impact, we want to hear from you.
📢 Apply now and help us build secure, scalable systems that power mission-critical operations.
And just for fun, this video features a very popular spot somewhere in sunny San Diego 🌴 — can you guess where?
💬 Drop your guesses in the comments — and if you’ve been there, share your favorite memory!
#SystemsAdministrator #CybersecurityJobs #CloudComputing #CornerstoneDefense #SanDiego #GuessTheSpot #TechCareers #NowHiring #JoinOurTeam
🎧 Cornerstone Defense: 2025 Wrapped
We had over 13,000 applicants this year (even we’re surprised by that number! 😲). Of those, more than 7,000 were eligible—cleared and ready to support the mission. 🌎 Applicants came from over 3,000 cities across the country, bringing with them a rich tapestry of backgrounds, experiences, and perspectives—including a strong representation of veterans and diverse communities. 🇺🇸🌍 And here’s the kicker: 80% of those who interviewed were hired—because when we meet the right people, we know it. 💼✨
We’re proud of the talent we’ve connected with this year, and we’re even more excited to meet new faces, grow our team, and expand our network in 2026. 🚀 Whether you’re looking to join us or collaborate, we’re ready. We can’t wait for what’s to come in 2026! 🎉 #CornerstoneWrapped #DefenseCareers #HiringStats #2025Recap #2026Goals #VeteransWelcome #DiversityInDefense
🎨✨ At the 20th Annual National Business Leadership Conference last month, a few of our Cornerstone ladies got creative in a breakout workshop that connected art to leadership!
From painting at the tables to exploring how leadership styles — democratic, visionary, transformational — can be seen like different art styles 🖌️👩🎨, the energy was inspiring and full of color. Our attendees were truly motivated and had SO much fun 💡💃. Leadership never looked this vibrant! 🌈🙌
What other metaphors can you think of that relate art and leadership to each other? Drop us a comment — we’d love to hear your creative ideas!
#BusinessLeadershipConference #CornerstoneInspired #LeadershipInColor
You don’t have to be crazy to work here. But if you are… we’ve got excellent training. 😎
Cornerstone Defense is hiring Entry-Level Technical Recruiters. No experience? No problem. We’ll teach you how to source talent, support national security, and survive the occasional caffeine-fueled chaos.
🧠 Learn the ropes. 💼 Build your career. 💰 Earn like a boss. 🛡️ Help protect the country. All while working with a team that’s just the right amount of quirky! 😋
Apply now (link in comments!) #NowHiring #RecruitingLife #CornerstoneDefense #DefenseJobs #WeWillTrainYou #MemeRecruiting
We’re back with a Holiday Edition of “name the local spot!” 🎁🌲❄️🎅🏻We love this side-by-side of the profile shot and the selfie result from one of our happy hours last year! Do you know where this festive frivolity took place!? Drop us a comment with your guess and tag a friend who might like to follow along on social and we will select one lucky participant to receive some Cornerstone Swag! 🤩🤩 Let’s get to guessing!
