Company Details
Technology Stack
Professional Summary
Justun Walker is Chief Information Officer at U.S. Department of Homeland Security. U.S. Department of Homeland Security operates in the government administration industry and has 260000 employees. Based in San Diego, California, United States. Classified as a c-suite-level CIO leader. Their organization's technology stack includes Akamai, Cloudflare DNS, Outlook, Drupal, AWS SDK for JavaScript, and 39 other technologies. U.S. Department of Homeland Security reports annual revenue of 103200000000.
Industry & Role Insights
- • CTO Rank tracks 16,373 CIO leaders with verified contact information.
- • There are 4,838 tech leaders in the government administration industry in our database.
- • We have verified contacts for 24 tech leaders at U.S. Department of Homeland Security.
- • 48,652 tech leaders in California are available in our database.
Position in the CTO Rank Database
- • Justun Walker is 1 of 16,634 leaders with the CIO role tracked in the CTO Rank database.
- • 902 hold the CIO role at government administration companies (out of 4,870 total government administration leaders in our database).
- • 755 hold the CIO role in California.
- • 8 hold the CIO role at companies with 260000 employees.
- • Typical CIO compensation in California: $230,000 – $500,000 (median $360,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.
Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.
Frequently Asked Questions
How do I contact Justun Walker?
Justun Walker has a verified email address on file on CTO Rank. They work at U.S. Department of Homeland Security. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Justun Walker work for?
Justun Walker is Chief Information Officer at U.S. Department of Homeland Security, a company in the government administration industry with 260000 employees. The company is headquartered in Washington, District of Columbia, United States.
What is Justun Walker's role in technology leadership?
Justun Walker is classified as a CIO leader at the c-suite level.
What technologies does Justun Walker's organization use?
Justun Walker's organization uses a technology stack that includes Akamai, Cloudflare DNS, Outlook, Drupal, AWS SDK for JavaScript, Citrix NetScaler. This information is useful for sales teams, recruiters, and technology vendors.
Is Justun Walker open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Justun Walker using the verified contact information available to Pro members. When recruiting a Chief Information Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Justun Walker at U.S. Department of Homeland Security?
Justun Walker is Chief Information Officer at U.S. Department of Homeland Security. CIOs like Justun Walker typically evaluate vendors in Akamai, Cloudflare DNS, Outlook, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Justun Walker's profile data?
CTO Rank verifies and refreshes profile data weekly. Justun Walker's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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