Senior Windows Security Administrator

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

NACI (T1)

Job Family:

Cyber Security

Job Qualifications:

Skills:

Active Directory (AD), Cyber Defense, Encryption, Firewalls, Operating Systems (OS)

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

No

Job Description:

GDIT seeks a highly motivated and experienced Senior Windows Security Administrator to support a federal civilian program.

Essential Duties and 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 trouble-shoot 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.
• Ability to obtain pass a public trust (NACI) clearance.

Required Knowledge, Skills, and Abilities:

• 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.
• Collaborate with other teams to develop security solutions.
• 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.

Preferred Qualifications

• Experience with Azure a plus.
• Experience with ServiceNow a plus.

Additional Requirements

A bachelor’s degree and 4 years of recent specialized experience; or

No degree and 11 years or recent specialized experience.

Travel up to 10% to Rensselaer, New York or other locations.

GDIT IS YOUR PLACE:

● 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

● Rest and recharge with paid vacation and holidays

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber an