Information System Security Engineer - Senior

Homepage(27 days ago)

San Antonio, TXOnsiteFull TimeSenior$175,000 - $175,000Information Technology

About this role

A Senior Information System Security Engineer at Amentum will serve as a subject matter expert supporting a program that delivers integrated voice, video, and data services across the IT lifecycle. The role leads engineering for enterprise security toolsets—particularly the Trellix (ePO) ecosystem and ACAS (Nessus)—to ensure mission-critical assets remain secure, compliant, and resilient. This position requires adapting to new tools and processes while contributing to secure-by-design principles across the System Development Life Cycle.

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Required Skills

Trellix ePO
ACAS Nessus
Splunk
XSOAR
ServiceNow
Vulnerability Management
Endpoint Security
Policy Development
Threat Mitigation
RMF

+3 more

Qualifications

Bachelor's Degree (Cyber or Engineering)
Top-Secret Clearance (TS/SCI)
CCNA Security
GISCP
GSEC
Security+ CE
SSCP
CASP CE
CCNP Security
CISA

+3 more

About Homepage

amentumcareers.com

Innovate with integrity At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values employee engagement and ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a...

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