Dod Cybersecurity Jobs

1 job found

Today

Senior Cybersecurity Architect

Leidos Lorton, VA

Lorton, VA

Today

$131k - $237k/yr Full time Senior Authorization To Operate Cloud Platforms

Apply Now

Job Description

Leidos is seeking a Senior Cybersecurity Architect to deliver cybersecurity engineering and architecture support for an Air Force weapons system program at a DoD weapons system environment.

Responsibilities

Develop and execute enterprise cybersecurity strategies aligned with DoD and Federal security guidance.
Design and implement resilient security architectures to address modern cyber threats.
Architect and implement secure cloud infrastructure across on-premises and cloud environments.
Define and enforce cloud security policies, standards, and automation frameworks.
Support Authorization to Operate (ATO) activities across multiple environments and classification levels.
Integrate security controls into CI/CD pipelines and DevOps workflows.
Support cloud identity and access management (ICAM), including encryption and key management systems.
Configure, tune, and monitor enterprise security tools and platforms.
Monitor network and system security to detect vulnerabilities and support incident response.
Perform risk assessments and develop mitigation strategies for identified risks.
Partner with IT teams to ensure security measures are integrated into infrastructure projects.
Develop and implement security policies, standards, and procedures to protect sensitive information.
Provide technical guidance and support for cybersecurity tools and technologies.
Track emerging threats and industry trends to improve the organization’s security posture.
Create and refine technical documentation to obtain and maintain DoD accreditation for program systems.
Participate in the Change Control Board (CCB) process for major engineering milestones and decisions.

Requirements

Bachelor’s Degree with 12+ years of experience, or Master’s Degree with 10+ years of experience (additional equivalent experience may be considered in lieu of education).
US Citizen with an active Top Secret clearance and ability to obtain and maintain SCI prior to start.
Proven background in cybersecurity engineering or closely related roles.
Hands-on enterprise experience configuring security tools, with emphasis on:
- Splunk (Enterprise Security, SOAR, UBA)
- HBSS/ESS (Trellix ePO)
- ACAS (Tenable/Nessus)
- SolarWinds Observability
Familiarity with DoD cybersecurity frameworks, including Risk Management Framework (RMF).
Strong knowledge of network security, firewalls, intrusion detection and prevention systems, and encryption technologies.
Strong problem-solving skills and attention to detail.
Effective communication skills for collaboration with technical and non-technical stakeholders.
DoD 8140 advanced certifications (CISM, CISSP, ISSAP).

Preferred Qualifications

Project management certifications (PMP, ISSMP, etc.).
Microsoft Azure certifications (AZ-500, AZ-305, etc.).
Working knowledge of cloud security and securing cloud-based infrastructure.
Experience with Azure Stack Hub/Azure Local.
Experience securing classified DoD networks, including networks connected to SIPR or JWICS.
Familiarity with incident response processes and tools.
Experience with scripting or automation tools for security tasks.
Ability to work in a dynamic environment and adapt to changing priorities.
Experience with Agile and DevSecOps.

Technologies

Splunk (Enterprise Security, SOAR, UBA)
HBSS/ESS (Trellix ePO)
ACAS (Tenable/Nessus)
SolarWinds Observability
Risk Management Framework (RMF)
CI/CD, DevOps
Cloud identity and access management (ICAM)
Encryption, key management systems
Change Control Board (CCB)
DoD accreditation

Benefits

Health and Wellness programs
Income Protection
Paid Leave
Retirement

Location: Lorton, VA (onsite)

Pay Range: USD 131,300 - 237,350 per yearly

Original Posting Date: July 31, 2026

View full job page →

Get Dod Cybersecurity Jobs alerts

New Dod Cybersecurity Jobs, daily.