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Systems Administrator

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Onsite

Systems Administrator

Bayforce

Systems Administrator

Skills

SQL QueriesC#.NETLinuxJiraChange ManagementProcess Improvement

5 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Buffalo, NY, USA

Work mode:

Onsite

Published on:

16 October 2026

What they need


**NO 3rd Parties or Sponsorship! MUST be w2 hourly only

Role Title: Systems Administrator / Application Support Engineer

Duration: 1 year with possible extension up to 18m

Preferred Location: On site 4 days a week, Buffalo, NY

Role Description:

Responsible for production support, systems administration, and maintenance of business-critical applications within a complex technology environment. This role combines hands-on systems administration with application support and development, supporting both legacy applications and ongoing technology modernization initiatives. The ideal candidate is a proactive problem-solver with strong .NET, C#, SQL, Linux, and Windows expertise who can independently troubleshoot issues, support production releases, and collaborate with internal teams and external vendors.

Key Responsibilities

  • Provide production support and systems administration for business-critical applications across Linux and Windows environments.
  • Troubleshoot and resolve complex application, server, database, and infrastructure issues, including production incidents outside standard business hours.
  • Support application maintenance, enhancements, and new development using .NET, C#, and SQL.
  • Participate in CI/CD processes, release management, deployments, and production change activities.
  • Support legacy application modernization and technology transformation initiatives.
  • Monitor application performance, identify recurring issues, and implement solutions to improve system stability and reliability.
  • Participate in an on-call rotation approximately every third week, providing support for production incidents between 5:00 p.m. and 8:00 a.m., as needed.
  • Support scheduled production releases and change activities outside normal business hours, typically including Thursday morning deployments at 8:00 a.m.
  • Work within an Agile development environment, using Jira to manage tasks, track issues, and coordinate work.
  • Collaborate with internal technology teams, business stakeholders, and external vendors to investigate issues and deliver solutions.
  • Lead technical discussions, facilitate meetings, and communicate technical issues and resolutions effectively.
  • Follow established operational procedures, change management practices, and production support standards while identifying opportunities for process improvement.

Requirements:

  • Strong hands-on experience with .NET and C#.
  • Proficiency in SQL, including querying and troubleshooting data-related issues.
  • Strong systems administration and troubleshooting experience in both Linux and Windows environments, with particular strength in Linux.
  • Experience supporting production applications and resolving complex technical incidents.
  • Familiarity with CI/CD pipelines, application deployments, and release management.
  • Experience working in Agile environments and using Jira.
  • Ability to independently investigate unfamiliar issues, identify root causes, and develop effective solutions.
  • Willingness to participate in an on-call rotation and support after-hours production incidents and scheduled releases.

Education/Experience: Minimum of an Associates degree and 5 years systems analysis/application development experience, or in lieu of a degree, a combined minimum of 7 years higher education and/or work experience, including a minimum of 5 years systems analysis/application development experience.

Preferred Qualifications

  • Experience supporting and modernizing legacy applications.
  • Experience with Windows Server administration and related infrastructure.
  • Familiarity with application transformation initiatives and continuous improvement practices.
  • Experience coordinating with vendors and facilitating technical meetings.

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