Senior Windows SysAdmin: Security, VMware & VDI

Sunayu Llc; Maryland; On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical options

Dental & Vision

FSA / DCFSA / HSA

Life/AD&D Insurance

Disability Insurance

EAP

Training & Education Assistance

Paid Time Off

Federal holidays

401k match

Job summary

Sunayu, LLC is seeking a Senior Windows System Administrator to join a high‑performing Agile team operating within SAFe. You will monitor test infrastructure, manage Windows/Linux servers, AD, DNS, GPOs, and perform security and performance optimizations in a VMware environment, with on‑call support.

The ideal candidate has 7+ years of Windows administration and 7+ years in information security management, including IAVA and vulnerability scanning, and holds a related Bachelor's degree with 12+

Qualifications

• 7+ years of Windows administration experience.
• 7+ years of information security management with governance, risk, and compliance expertise.
• 5+ years implementing and managing Windows AD/DNS, GPOs, SCCM, and Exchange administration.
• Proficient with Windows Command Line and PowerShell scripting.
• Strong understanding of security protocols, standards, and information security principles.
• Hands-on experience with IAVA management and security scanning.

Responsibilities

• Monitor test infrastructure systems, applications, and processes to identify, track, and resolve issues.
• Support server, router, and firewall configuration; perform security management and performance optimization of VMware/Windows/Linux environments.
• Provide technical support to partner workgroups and maintain cross‑department collaboration.
• Manage IAVAs and system security scans; ensure vulnerabilities are remediated quickly.
• Respond to on-call issues and communicate outages with status updates to users.
• Author and maintain clear, accurate technical documentation.

Skills

Windows administration

Information security management

PowerShell scripting

Active Directory & DNS

Group Policy Objects (GPOs)

Vulnerability management

IAVA management

VMware

Networking fundamentals

Education

Bachelor’s degree in Computer Science or related field

12 years of relevant experience

Tools

SCCM

Exchange Admin (Exchange Management Shell)

Active Directory management tools

Job description

Sunayu, LLC is seeking a Senior Windows System Administrator to join a high‑performing Agile team operating within SAFe. You will monitor test infrastructure, manage Windows/Linux servers, AD, DNS, GPOs, and perform security and performance optimizations in a VMware environment, with on‑call support.

The ideal candidate has 7+ years of Windows administration and 7+ years in information security management, including IAVA and vulnerability scanning, and holds a related Bachelor's degree with 12+