Demo

Senior System Administrator

firstPRO, Inc
Philadelphia, PA Contractor
POSTED ON 12/30/2025
AVAILABLE BEFORE 1/28/2026

We’re seeking a hands-on Senior Systems Administrator to own and support IT infrastructure in a small, fast-paced environment. This is a high-visibility role for someone who enjoys wearing multiple hats across cloud and on-prem systems. The position is primarily onsite, with limited flexibility as needed.


What You’ll Do

  • Manage Windows Server environments (2012R2–2019), Active Directory, DNS, DHCP
  • Administer virtual platforms (Hyper-V, VMware) and storage solutions (Dell EMC / NetApp)
  • Support Microsoft 365, including Exchange, Security, and Compliance
  • Maintain network infrastructure (firewalls, switches, VPNs)
  • Implement backup and recovery solutions using Veeam
  • Support Windows 10–11 desktops and devices
  • Lead and support 1–2 IT team members
  • Handle service requests, audits, and infrastructure projects


What We’re Looking For

  • 5 years of Windows Server, networking, and storage experience
  • 2–3 years of Microsoft 365, Hyper-V, and cloud exposure
  • Experience supporting small organizations (under 100 users)
  • Comfortable leading while remaining hands-on
  • Strong troubleshooting and communication skills


Technology Stack

Windows Server, Active Directory, Hyper-V, VMware, Dell EMC, NetApp, Microsoft 365, Exchange Online, Veeam, firewalls, switches, VPNs, PowerShell, SQL Server, Linux, Zoom Phone, Adobe Creative Cloud, Carbon Black / Trellix


Why This Role

  • End-to-end ownership of IT infrastructure
  • Exposure to both cloud and on-prem technologies
  • Collaborative, small-team environment
  • Competitive compensation with contract-to-hire potential

Salary : $50 - $75

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior System Administrator?

Sign up to receive alerts about other jobs on the Senior System Administrator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at firstPRO, Inc

  • firstPRO, Inc Bridgewater, NJ
  • Senior Financial Analyst Bridgewater, NJ | Full-Time | High-Growth Opportunity A growing firm based in Bridgewater, NJ is seeking a Senior Financial Analys... more
  • 12 Days Ago

  • firstPRO, Inc Camden, NJ
  • Payroll Manager - Up to $100k Our client, a well-established professional services organization, is looking to hire Payroll Manager. This is a true manager... more
  • 12 Days Ago

  • firstPRO, Inc Haddon, NJ
  • Job Summary We’re seeking a detail-oriented Accounting Coordinator to handle day-to-day accounting tasks and maintain accurate financial records. The ideal... more
  • 12 Days Ago

  • firstPRO, Inc Philadelphia, PA
  • Hiring for a Staff Accountant to join a growing team with a large professional services organization in the Philadelphia, PA area. This role is a hybrid op... more
  • 12 Days Ago


Not the job you're looking for? Here are some other Senior System Administrator jobs in the Philadelphia, PA area that may be a better fit.

  • Motion Recruitment Partners, LLC Philadelphia, PA
  • Job Details An established payment processing company is seeking an experienced Senior System Administrator to join the team full-time onsite in the Philad... more
  • 26 Days Ago

  • Motion Recruitment Philadelphia, PA
  • An established payment processing company is seeking an experienced Senior System Administrator to join the team full-time onsite in the Philadelphia area.... more
  • 7 Days Ago

AI Assistant is available now!

Feel free to start your new journey!