Senior Lead Security Engineer — Cloud, Compliance & SIEM

Leidos; Arlington (VA); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking a Senior Lead Security Engineer to serve as the team's technical authority, guiding security architecture and implementation across data, apps, and cloud environments. You will mentor engineers, define secure design standards, and oversee security programs to ensure scalable, compliant solutions.

The role emphasizes hands-on management of Qualys and Wraithwatch, integration with SIEM/SOAR, and powerful vulnerability management across AWS and on-premise resources.

Qualifications

• Bachelor's degree in a STEM or related field.
• Minimum of 8–12 years of cybersecurity experience depending on degree.
• Active certifications listed in the qualifications.
• Ability to obtain EOD Public Trust.

Responsibilities

• Serve as the primary technical authority for the engineering team, setting standards and mentoring junior engineers.
• Lead complex security projects with multiple assignments and shifting priorities.
• Define system security requirements to meet FISMA and FedRAMP standards.
• Develop, implement, and enforce security policies across data, apps, and cloud infra.
• Oversee deployment and maintenance of Qualys and Wraithwatch, integrating with SIEM/SOAR via Python/PowerShell.

Skills

CISSP

CCSP

CCNP

CCIE Security

CEH

RHCSA

RHCA

RHCE

MCSE

CompTIA Security+

AWS Solutions Architect Expert

Education

Bachelor's degree in STEM or related field

Master's degree

Tools

Qualys

Wraithwatch

Python

PowerShell

OpenShift (AWS)

Job description

Leidos is seeking a Senior Lead Security Engineer to serve as the team's technical authority, guiding security architecture and implementation across data, apps, and cloud environments. You will mentor engineers, define secure design standards, and oversee security programs to ensure scalable, compliant solutions.

The role emphasizes hands-on management of Qualys and Wraithwatch, integration with SIEM/SOAR, and powerful vulnerability management across AWS and on-premise resources.