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Senior Systems Adminstrator

WIN Waste Innovations
Portsmouth, NH Full Time
POSTED ON 7/6/2026
AVAILABLE BEFORE 9/1/2026

WIN Waste Innovations is looking for a Senior Systems Administrator/Senior System Engineer to support our corporate, facilities, and cloud computer infrastructure. This person will be a senior level resource, with significant experience supporting, designing, and strategizing the corporate infrastructure and enterprise applications. Working both independently and on a team, this position will apply in-depth, senior level knowledge, industry standard concepts, principles, and other Systems Administration skills. Wide latitude in decision making to interpret unclear or inadequate guidelines. This role will lead in the planning of and respond to service outages and infrastructure problems & project tasks.

 

Responsibilities:

  • Duties will include adding/deleting users, setting up/changing workstations/servers, system backups and recovery, disaster recovery support, data archiving, security, and implementing infrastructure services.
  • Follows established policy and recommends process changes for IT policies that would ensure security and integrity or lead to increased efficiency for users, applications, operating systems management, etc.
  • Assist in the evaluation and acquisition of new technologies and products.
  • Makes recommendations for upgrades to hardware and software based on existing operations, pending needs and available budget.
  • Advises on new applications solutions, development, and implementation.
  • Provide technical support for the client systems and resolve issues for all applications utilized by the staff, including the upgrading of operating systems to support new applications.
  • Frequently has team leadership responsibilities and provides training to other IT professionals.
  • Document day-to-day operations procedures and protocols associated with hardware and operation system environments, as well as reviews system monitoring and logging of abnormalities.
  • Ensure security and integrity of operating system to increased efficiency for users, applications, operating systems management, etc. Assists in the evaluation of new technologies and products.
  • Performs other duties as assigned.
  • Maintain positive work environment by acting and communicating in a manner so that you get along with customers, clients, vendors, co-workers and management.

 

Preferred candidates will have experience in one or more of the following areas:

  • On-Prem & Azure Active Directory analysis, design, management, and troubleshooting
  • Group policy object analysis, management, testing, and troubleshooting
  • Enterprise data backup concepts, job monitoring, and job scheduling
  • Understanding of Automation and Orchestration.
  • General server infrastructure and cybersecurity health monitoring & alerting
  • Microsoft Azure cloud infrastructure administration, design, implementation, and monitoring
  • Network firewall concepts, rule concepts, and related connectivity troubleshooting
  • Script writing, testing, and maintenance using PowerShell, VBScript, BAT file, or similar
  • Server infrastructure security analysis, implementation, reporting, troubleshooting, and validation
  • Windows OS administration using the command line
  • General concepts and related troubleshooting of services such as DHCP, DNS, SFTP, and File and Print sharing over a network
  • Create Virtual Machines, Virtual Private Networks (VPNs), and use Virtual storage and Cloud services
  • Deploy applications on public and private cloud platforms.
  • Ability to travel to company facilities
  • Implement Infrastructure-as-Code (IAC) and deployment patterns using ADO, GitOps or Terraform.

 

Education:

  • Bachelors in information technology, Computer Science, Systems Administration, Computer Engineering or a related field.

 

Experience:

  • Four (4) years of experience with proficient knowledge of at least two (2) operating systems, such as: Windows and Linux systems.
  • Experience working with public cloud services such as Amazon Web Services (AWS) or Microsoft Azure is preferred.
  • Related experience may be substituted for education.

 

What You'll Enjoy:

  • Industry leading benefits
  • Multiple and flexible medical plans
  • Outstanding PTO program
  • Floating Holidays
  • Strong 401k program and company match
  • Tuition reimbursement plan
  • College loan reimbursement
  • College scholarship program for dependents
  • Parental Leave Program
  • Inclusive culture
  • Employee engagement events
  • Employee resource groups

 

WIN Waste Innovations is a waste management company committed to delivering essential waste management solutions to customers and communities supported by our team of 2,300 employees. We believe in preserving our environment for future generations while providing for today's needs. WIN Waste Innovations is a vertically integrated business with a platform of 50 strategically located collection, transfer, and disposal assets. These include waste-to-energy facilities, transfer stations, ash monofills, landfills, and fleets of rail cars and collection vehicles. We process more than 11 million tons of waste annually, converting 6.7 million tons of waste into clean, renewable energy that powers 340,000 homes. We recycle more than 234,000 tons of plastic, paper, and metals from the waste stream.

At WIN Waste Innovations, each eligible employee receives a competitive total compensation package including Medical, Dental, Vision, Life Insurance and Short-Term Disability. As well as Company match on 401K, and more! Our employees also receive Paid Vacation, Holidays, and Personal Days. Please note that benefits may vary by site. Equal Opportunity Employer Minorities/Women/Protected Veterans/Disabled.

Salary.com Estimation for Senior Systems Adminstrator in Portsmouth, NH
$90,815 to $115,150
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