Senior Windows Security Administrator

General Dynamics-posted 7 months ago

$103,700 - $140,300/Yr

Full-time • Senior

Remote • Falls Church, VA

Transportation Equipment Manufacturing

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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.

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.

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.

Experience with Azure.
Experience with ServiceNow.

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.

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