Back to all roles

Windows Server Engineer

Remote-first Full-time Now hiring

• Not accepting C2C/W2/Referral Resumes from 3rd party vendors* Systems Administrator IV Location: Remote (DC Metro Preferred) Clearance Requirement: Public Trust Eligibility Required Job Type: Contract Schedule: Standard Business Hours + On-Call Rotation as Needed

Overview

We are seeking an experienced Systems Administrator IV to support a large-scale enterprise environment focused on Active Directory, DNS, authentication services, and certificate management. This position will play a key role in maintaining and improving critical Windows infrastructure environments while supporting secure enterprise operations. The ideal candidate will have strong experience administering Windows Server environments, troubleshooting enterprise authentication systems, managing certificate authorities, and supporting complex infrastructure in a fast-paced environment. Candidates should also be comfortable working cross-functionally with engineering and operations teams while handling escalations, system improvements, and infrastructure support efforts.

Responsibilities

  • Configure, maintain, and troubleshoot Windows Server environments
  • Administer and support Active Directory, DNS, and Group Policy
  • Manage certificate authorities, SSL certificates, and certificate lifecycle processes
  • Support authentication services including ADFS, SAML, SSO, and Okta
  • Develop and maintain PowerShell scripts for automation and monitoring
  • Apply security best practices, patching, and system hardening efforts
  • Support Tier II / Tier III infrastructure troubleshooting and issue resolution
  • Collaborate with engineering teams on infrastructure improvements and integrations
  • Maintain technical documentation and operational procedures
  • Participate in on-call support rotation as needed

Requirements

  • 8+ years of Systems Administration or Infrastructure Engineering experience
  • Strong experience with Active Directory, DNS, and Windows Server administration
  • Experience supporting authentication services such as ADFS, Okta, or SSO platforms
  • Experience managing certificate authorities and enterprise certificate environments
  • Hands-on PowerShell scripting experience
  • Strong troubleshooting experience across Windows enterprise environments
  • Experience supporting networking fundamentals such as TCP/IP and DNS
  • Ability to work independently and adapt quickly in fast-paced environments

Nice to Have

  • Experience with Entra ID / Azure AD or AWS cloud environments
  • Security+ or Microsoft certifications
  • Government contracting experience
  • Experience with server patching, backups, and permission management
  • Familiarity with DevOps or infrastructure automation practices

If interested, please apply directly or send over an updated resume for consideration. Apply tot his job Apply To this Job

More remote roles

Client Support Specialist – Travel Services (Work From Home)

Remote-first Full-time

Linux Embedded Software Engineer

Remote-first Full-time

REMOTE - Senior Manager, Cybersecurity, Privacy, and Technology Services (CPTS) - R12594

Remote-first Full-time

Cybersecurity Vulnerability Analyst I (REMOTE)

Remote-first Full-time

Cybersecurity Senior Manager | Offensive Security (Remote)

Remote-first Full-time

Product Support Engineer Intern

Remote-first Full-time

Experienced Product Security Engineer (Virtual)

Remote-first Full-time

Fleet Client Services Specialist II

Remote-first Full-time

Cybersecurity Analyst (Mid)

Remote-first Full-time

Senior Penetration Tester - PCI & Enterprise Security

Remote-first Full-time

Experienced Live Chat Support Specialist – Data Entry & Customer Service Representative (Remote) at arenaflex

Remote-first Full-time

Experienced Online Chat Agent – Delivering Exceptional Customer Experiences in arenaflex's Virtual Support Team

Remote-first Full-time

Support Techncian

Remote-first Full-time

Experienced Full Stack Snowflake Developer – Data Entry, Customer Support, and Cloud Application Development

Remote-first Full-time

Credit Analyst

Remote-first Full-time

[Remote] Sr Third Party Risk Analyst (TPRM)

Remote-first Full-time

Sr Field Property Adjuster - Grand Rapids, MI

Remote-first Full-time

Experienced Work from Home Customer Service Representative – Delivering Exceptional Customer Experiences in a Dynamic Remote Environment

Remote-first Full-time

Software Engineer; SQL Developer

Remote-first Full-time

Senior Actuarial Analyst

Remote-first Full-time