On-Site Senior Security Engineer — Lead Vulnerability & Operations

Energy Jobline ZR; Washington; On-site; USD 120,000 - 180,000; Full time

Job summary

Leidos is seeking a Senior Security Engineer to act as the technical lead for daily security operations across enterprise and isolated environments. You will mentor security personnel, set priorities and coordinate activities with infrastructure and engineering teams to maintain a strong security posture.

This is a 100% on-site role at the customer site, requiring hands-on engineering and collaboration with ISSM, leadership, and technical teams to translate security requirements into actionable

Qualifications

• Experience leading security operations teams.
• Proven ability to manage vulnerabilities end-to-end.
• Knowledge of RMF/ATO processes and continuous monitoring.

Responsibilities

• Lead day-to-day security operations and assign activities across the team.
• Provide technical leadership to security personnel and engineers.
• Lead vulnerability management from ID to closure, including remediation and validation.
• Coordinate remediation across Windows, Linux, network and desk-side teams.
• Oversee vulnerability scanning and analysis using ACAS, Nessus or equivalent.

Skills

Security leadership

Security operations

Vulnerability management

RMF/ATO

Continuous monitoring

Tools

ACAS

Tenable Nessus

Job description

Leidos is seeking a Senior Security Engineer to act as the technical lead for daily security operations across enterprise and isolated environments. You will mentor security personnel, set priorities and coordinate activities with infrastructure and engineering teams to maintain a strong security posture.

This is a 100% on-site role at the customer site, requiring hands-on engineering and collaboration with ISSM, leadership, and technical teams to translate security requirements into actionable