Senior Blue Team Infrastructure Engineer

Peraton; Arlington (VA); On-site; USD 140,000 - 200,000; Full time

Job summary

Peraton is seeking a Blue Team Senior Engineer / Infrastructure SME to join the DoS Diplomatic Security Cyber Mission in Rosslyn, VA. You will lead cyber defense activities, coordinate remediation, and implement zero-trust concepts across on-premises and cloud environments.

Ideal candidates hold CISSP family certifications, Splunk/SOAR expertise, and experience with Tanium and Defender for Endpoint. The role requires U.S.

Qualifications

• Bachelor's degree and 5 years of experience; 3 years with a Master's; no years with a PhD.
• Possess and maintain professional certifications listed in the requirements.
• Proficient with endpoint detection and response tools (Tanium, Defender for Endpoint).
• Proficient with SIEM and SOAR platforms (Splunk, ServiceNow SOAR).
• Understanding of cloud security portals (Azure Security Center, AWS Security Hub).
• Strong stakeholder communication across media to achieve mission objectives.
• U.S. citizenship and active/ability to obtain Top Secret clearance.

Responsibilities

• Assist with enterprise efforts to assess systems and coordinate remediation.
• Leverage SIEM and SOAR to track exposures and drive remediation.
• Ensure security of cloud systems across IaaS, PaaS, and SaaS.
• Communicate cybersecurity recommendations to system owners and verify remediation.
• Develop and test tools for applicability of findings on customer networks.
• Apply zero-trust architecture to on-premises, cloud IaaS/PaaS/SaaS.
• Build relationships within team, office, and external stakeholders.

Skills

CISSP-ISSAP

CISSP-ISSEP

CISSP

Security+ CE

CySA+

SIEM (Splunk)

Endpoint Defense (Tanium)

Microsoft Defender for Endpoint

ServiceNow SOAR

Zero Trust

Communication

Education

Bachelor's degree

Master's degree

Tools

Splunk

Tanium

Microsoft Defender for Endpoint

Azure Security Center

AWS Security Hub

ServiceNow SOAR

Job description

Peraton is seeking a Blue Team Senior Engineer / Infrastructure SME to join the DoS Diplomatic Security Cyber Mission in Rosslyn, VA. You will lead cyber defense activities, coordinate remediation, and implement zero-trust concepts across on-premises and cloud environments.

Ideal candidates hold CISSP family certifications, Splunk/SOAR expertise, and experience with Tanium and Defender for Endpoint. The role requires U.S.