Senior Application Security Engineer

Mission

At Slingshot Aerospace, we build space simulation and decision intelligence technologies that empower defense, intelligence, and commercial operators. As a Senior Application Security Engineer, you'll take ownership of securing the software, systems, and infrastructure that power real missions. This is a hands-on role focused on secure coding, container hardening, and pipeline security. You'll work side-by-side with Software engineers, DevSecOps teams, and cyber SMEs to embed security into everything we build and deliver across cloud, hybrid, and classified environments.

What You'll Do

Required Qualifications

Preferred Qualifications

Why This Role

This is your opportunity to build and defend systems that matter by securing the code, pipelines, and infrastructure supporting national security missions. You'll shape Slingshot's AppSec engineering practice, strengthen our software supply chain, and drive modern, developer-focused security at scale. Your work won't just meet standards, it will launch missions.

Location : US based Remote with onsite travel to secure customer environments

Clearance Required : Active TS / SCI (polygraph if applicable) or ability to obtain

Employment Type : Full Time

Reports To : Senior Director of Information Security and IT

Location : Remote

Travel : 15% - 35%

Salary : $116,000 - $193,000

US-based Candidates : we are currently only able to hire residents of the following U.S. states : AZ, CA, CO, DC, FL, GA, HI, IL, IN, KS, MD, MA, MI, MN, MO, MT, NV, NJ, NM, NY, NC, OR, RI, TN, TX, UT, VT, VA, WA, WV, and WI. We are unable to consider candidates residing in other U.S. states at this time.

Internationally-based Candidates : we are currently only able to hire residents of the following locations : United Kingdom. We are unable to consider candidates residing in other countries at this time.

Equity, Diversity & Inclusion are key to our success. We are an Equal Opportunity Employer and our employees are people with different strengths, experiences, and backgrounds, who share a passion for creating a safer, more connected world. Diversity not only includes race and gender identity, but also national origin, citizenship, sex, color, veteran status, disability, genetic information, or any other protected characteristic that is part of one's identity. All of our employees' points of view are key to our success, and we embrace individuality.