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Network Systems Administrator - Onsite NYC Third Shift

Job in Portsmouth, Rockingham County, New Hampshire, 00215, USA
Listing for: GreenPages
Full Time position
Listed on 2026-02-01
Job specializations:
  • IT/Tech
    Cloud Computing, Systems Administrator
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Overview

3rd Shift working Wednesday/Thursday/Friday/Saturday/Sunday 11PM to 8AM. This work schedule includes weekends and holidays onsite in the NYC area. Be part of the team behind the game. Blue Mantis is seeking a highly skilled and versatile Network Systems Administrator to support enterprise-class data centers and ensure seamless network operations. The role focuses on high availability and performance of network infrastructure and contributing to game-day success.

Are you ready to bring your network expertise to the global stage of one of the biggest professional sports leagues in the US?

Responsibilities
  • Server Administration: Manage and maintain Windows, Linux, and Unix environments to ensure optimal performance.
  • Cloud Operations: Administer cloud platforms including AWS, Azure, and O365 for enterprise workloads and containerization.
  • Virtualization: Manage, configure, and troubleshoot VMware-based environments to ensure optimal performance, scalability, and availability of virtualized infrastructure.
  • System Monitoring: Leverage platforms such as Solar Winds and Data Dog to ensure network reliability and performance.
  • Incident Management: Lead network-related incident resolution, ensuring SLAs are met and escalating issues when necessary.
  • Security Best Practices: Implement and support secure networking solutions, ensuring robust protection in on-premise and cloud environments.
  • Documentation: Create and maintain detailed network documentation, including topology maps and procedures for troubleshooting.
Skills, Knowledge and Expertise Required Skills
  • Strong experience in NOC operations with expertise in Windows, Linux, and Unix environments using the Service

    NOW ticketing system.
  • Hands-on experience with cloud platforms (AWS, Azure, O365, VMware) and virtualization/containerization technologies.
  • Backup and DR Support:
    Experience supporting and troubleshooting backup and disaster recovery solutions such as Rubrik and Zerto, ensuring data protection and system resilience.
  • Hands-on experience with firewalls, routing protocols, and network monitoring tools like Solar Winds.
  • Familiarity with automation tools and scripting
  • Excellent problem-solving skills with the ability to adapt to dynamic priorities.
Preferred Skills
  • Network troubleshooting in data center environments. (Cisco, Palo Alto, Meraki)
  • Proficiency in scripting languages (Python, Power Shell, Bash) for automating server and cloud operations.
  • Familiarity with cloud-based networking solutions in AWS, Azure, or O365 environments.
  • Knowledge of infrastructure capacity planning and performance tuning.
  • Knowledge of Kubernetes, Docker, and container orchestration for managing distributed applications.
  • Familiarity with security best practices, SIEM platforms, and endpoint protection.
  • Experience with advanced video streaming technologies and CDNs.
  • Familiarity with infrastructure performance tuning and capacity planning.
Qualifications
  • Provide game day support on major holidays when games are played.
  • Education: Bachelor s degree in Computer Science, Information Technology, or equivalent hands-on experience.
  • Certifications: CCNA, CCNP (or equivalent) ITIL and technical certifications in servers and/or cloud (preferred).
  • Experience: Demonstrated expertise in a complex, multisite environment.
Benefits

What You ll Gain:

  • The unique opportunity to be part of the league s technological foundation.
  • A challenging, high-energy workplace with direct impact on game-day success.
  • Hands-on experience with cutting-edge technologies in a mission-critical environment.
  • Opportunities for growth, learning, and professional development.

Please note: This pay range is based on market structures. Individual salaries and hourly rates are determined by factors including but not limited to business considerations, local market conditions, internal equity, and candidate qualifications (skills, education, experience).

We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. Reasonable accommodations will be made to enable employees with disabilities to perform the essential functions of the job. This description is intended to describe the general nature of work and is not a complete list of all responsibilities, duties, and skills required.

About Blue Mantis:
Blue Mantis is a leading strategic digital technology services provider with a 30+ year history. We help clients modernize by applying managed services, cybersecurity and cloud. Headquartered in Portsmouth, NH, we partner with more than 1,200 organizations and are backed by Recognize. Apply Now.

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