Senior Information Security Systems Engineer

Socket.dev; Chantilly (VA); On-site; USD 146,000 - 234,000; Full time

Job summary

Peraton in Chantilly, VA is seeking an Information System Security Engineer (ISSE) to design, implement, and continuously improve security of our information systems, networks, and applications. You will work across AWS cloud environments and on‑premises assets, embedding security into system design and DevSecOps practices.

Requirements include TS/SCI with polygraph, a BA/BS with 12+ years (or Master’s with 10+), and hands‑on experience with NIST, CIS Controls, and IAM.

Qualifications

• BA/BS and 12+ years of experience; Masters and 10+ years of experience; an additional four years of experience may be considered in lieu of degree.
• At least 3 years of hands‑on experience in information systems security, cybersecurity engineering, or related roles in the customer environment as an ISSE.
• Working knowledge of security frameworks and standards (NIST SP 80053, NIST Cybersecurity Framework, ISO 2701, CIS Controls).
• Experience with security technologies such as firewalls, SIEM platforms, vulnerability management tools, endpoint protection, IAM, encryption, and network security controls.

Responsibilities

• Evaluate, maintain, and improve security controls, architectures, and solutions across systems, networks, endpoints, AWS cloud environments, and applications.
• Perform risk assessments and vulnerability assessments based on controls, security architecture reviews.
• Document and maintain cybersecurity environment, standards, procedures, and system security plans.
• Collaborate with IT, engineering, development, and business teams to embed security into system design, development, and operational processes (DevSecOps practices).
• Evaluate emerging threats, technologies, and security solutions; recommend improvements to the security program.
• Provide security guidance and awareness support to technical and nontechnical stakeholders.
• Support continuous monitoring, metrics reporting, and security posture improvement initiatives.

Skills

TS/SCI with polygraph

Cybersecurity engineering

Cloud security

IAM & encryption

Security frameworks

Scripting (Python/PowerShell/Bash)

Education

BA/BS in CS/InfoSec or related field

Master's degree

Tools

Jira

SIEM platforms

Job description

Peraton in Chantilly, VA is seeking an Information System Security Engineer (ISSE) to design, implement, and continuously improve security of our information systems, networks, and applications. You will work across AWS cloud environments and on‑premises assets, embedding security into system design and DevSecOps practices.

Requirements include TS/SCI with polygraph, a BA/BS with 12+ years (or Master’s with 10+), and hands‑on experience with NIST, CIS Controls, and IAM.