Systems Security Engineer III
Sierra Nevada
About this role
A Systems Security Engineer III at Sierra Nevada Corporation (SNC) is a senior IT security role within the ISR, Aviation, and Security (IAS) business area supporting aerospace and national security programs. The position sits at the intersection of enterprise IT and mission-focused defense work, contributing to the design and maintenance of secure systems that support ISR and aviation capabilities. The role requires working within a cleared, U.S. citizen workforce to support classified programs and deliver secure, mission-critical solutions.
Skills
Qualifications
About Sierra Nevada
sncorp.comSierra Nevada Corporation (SNC) is a trusted leader in innovative, advanced technology solutions and open architecture integrations in aerospace and national security.
Recent company news
Protestors interrupt talk at UNR, demand divestment from Sierra Nevada Corporation
5 days ago
Eren Ozmen
2 days ago
He Tried a ‘Weird’ Idea in His Junior College Chemistry Lab. Now It’s a Billion-Dollar Beer Company.
2 days ago
SNC Invests in the Future of the Army, Procures Fourth HADES Aircraft
Jan 13, 2026
Sierra Nevada's new air defense system is deployed — somewhere
Oct 2, 2025
About Sierra Nevada
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Sierra Nevada.
Salary
$108k – $149k
per year
More jobs at Sierra Nevada
Similar Jobs
Principal Windows Systems Administrator
Northrop Grumman
Security Coordinator 4
Northrop Grumman
Information Systems Security Officer (ISSO) III
General Dynamics Information Technology
Information Systems Security Officer (ISSO) III - Ogden Utah
General Dynamics Information Technology
Linux Systems Administrator
Leidos
Information Systems Security Officer
CAE