Demo

Senior Network Administrator

Blue Mantis
Philadelphia, PA Full Time
POSTED ON 4/25/2026
AVAILABLE BEFORE 5/24/2026

READ BEFORE YOU JUST QUICK APPLY

You must already be located or near the Mt Laurel NJ or Philadelphia PA/DE area and NO RELOCATION IS PROVIDED AND WE CAN NOT ACCEPT H1B TRANSFERS OR EAD....

Are you ready to bring your network expertise to the global stage of one of the biggest professional sports leagues in the US? Blue Mantis is seeking a highly skilled and versatile, Swiss Army Knife Network Systems Administrator to support enterprise-class data centers and ensure seamless network operations. This role focuses on ensuring high availability and performance of network infrastructure while contributing to game-day success.


The ideal candidate will be a proactive and adaptable professional with a passion for innovation, an ability to multitask and reprioritize in real-time and a commitment to delivering excellence in a fast-paced, mission-critical environment. This candidate will be proficient in supporting server and cloud environments but should also have experience with networking as this team will be supporting a wide array of technologies to support the company infrastructure and game day operations.


If you thrive under pressure and excel at managing complex technical challenges, this is your opportunity to make an impact.


Working for Blue Mantis at this customer, you’ll operate in a high-pressure, high-reward environment, directly impacting game-day success and ensuring a successful fan experience. Bring your technical prowess, leadership and passion for innovation to the league’s fast-paced and mission-critical IT environment.


Work Schedule includes working Weekends and Holidays.

Onsite Schedule 1st Shift, 7AM to 4PM

Wednesday/Thursday/Friday/Saturday/Sunday -Onsite MT Laurel NJ


Key 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 SolarWinds and DataDog 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 Cisco Nexus/Arista/Meraki Switches, Cisco Wireless Controllers, Windows, Linux, and Unix environments using the ServiceNOW ticketing system.
  • Strong experience in NOC operations with expertise in Windows, Linux, and Unix environments using the ServiceNOW 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 SolarWinds.
  • 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, PowerShell, 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.


Agencies/3 Parties may not solicit to any employee of Blue Mantis. Any candidate information received from any Agency/3 Party will be considered a gift and property of Blue Mantis, unless the Agency/3 Party is an Authorized Vendor of Blue Mantis with an up-to-date Blue Mantis Contract in hand signed by Blue Mantis Talent Acquisition. No payment will be made to any Agency/3 Party who is not an Authorized Vendor, nor has specific approval in writing from Blue Mantis Talent Acquisition to engage in recruitment efforts for Blue Mantis. At this time we have no interest in onboarding any new staffing par

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