Senior Windows Security Administrator

General Dynamics • Falls Church, VA

261d • $103,700 - $140,300 • Remote

About The Position

GDIT seeks a highly motivated and experienced Senior Windows Security Administrator to support a federal civilian program. The position is remote and full-time, requiring expertise in maintaining secure operating systems and managing Active Directory permissions. The role involves analyzing operations, performing vulnerability scans, and providing day-to-day support for Windows server security issues.

Requirements

• 8+ years of related experience.
• Advanced knowledge of Active Directory & Group Policy.
• Experience configuring security settings on Microsoft Windows Server 2019-2022.
• Experience with security access services, products, and protocols such as MFA, Kerberos, VPNs, and endpoint security tools.
• Experience in cryptographic protocols, digital certificates, encryption standards, and TLS.
• Experience in implementing remote access solutions.
• Experience with security benchmarks (CIS, DISA, etc.).
• Knowledge of industry-standard security tools, frameworks, and best practices including MITRE CVEs, security benchmarks (CIS, DISA etc.) and NIST standards.
• Ability to install and configure hosted applications and services on Windows servers.
• Experience using Windows PowerShell.
• Skillful time management and organizational skills to set and meet deadlines.
• Excellent written and oral communication skills.
• Ability to work both independently and within a team.
• Must be self-starter willing to research technical issues that are unfamiliar.
• Strong work ethic and an active desire to learn.
• Hold an 8570.01 security certification.

Nice To Haves

• Experience with Azure.
• Experience with ServiceNow.

Responsibilities

• Maintain the enterprise server Windows 2022 secure operating systems base image ensuring consistency in baseline OS maintenance.
• Configure Active Directory permissions, roles, and groups.
• Configure, manage and remediate issues related to Active Directory/group Policy.
• Analyze day-to-day operations and write scripts to improve daily tasks.
• Analyze GPOs to apply security policies.
• Perform vulnerability scans using leading scanners.
• Analyze and track security vulnerabilities for mitigation on virtual Windows servers.
• Analyze firewall rules and rulesets for access issues.
• Assist in Windows server upgrades as needed.
• Provide day-to-day support for Windows server security issues.
• Perform vulnerability management on virtual servers and systems.
• Perform packet captures with Wireshark as needed.
• Work with other teams to troubleshoot security issues.
• Assist users with permissions issues and account lockouts.
• Respond to tickets in ticketing system and enter tickets to resolve security issues.
• Complete system security checklists, patches, upgrades, configuration, troubleshooting and documentation of equipment required to maintain the environments.
• Assist developers with installation and permissions issues.

Benefits

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Paid vacation and holidays
• Paid Family Leave program providing up to 160 hours of paid leave in a rolling 12 month period for eligible employees
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Industry: Transportation Equipment Manufacturing
• Education Level: Bachelor's degree