Network Systems Administrator - NJ Area

Job Summary

Blue Mantis is hiring a Network Systems Administrator to support multiple customers in the NJ/Philadelphia PA area. The role involves managing servers, cloud environments, and networking for large enterprise customers.

• Manage and maintain Windows, Linux, and Unix environments to ensure optimal performance.
• Administer cloud platforms such as AWS, Azure, and Office 365 for enterprise workloads and containerization.
• Configure, troubleshoot, and optimize VMware-based virtual environments for performance and availability.
• Use monitoring platforms like Solar Winds and Datadog to ensure network reliability and performance.
• Lead incident resolution for network-related issues, meeting SLAs and escalating when necessary.
• Implement and enforce secure networking solutions in on‑premise and cloud environments.
• Create and maintain detailed network documentation, including topology maps and troubleshooting procedures.

• Strong experience with Cisco Nexus/Arista/Meraki Switches, Cisco Wireless Controllers, and Windows, Linux, and Unix environments.
• Hands‑on experience with AWS, Azure, Office 365, VMware, and infoblox DNS management.
• Backup and disaster‑recovery support for solutions such as Rubrik and Zerto.
• 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.

• Network troubleshooting in data center environments (Cisco, Palo Alto, Meraki, Arista).
• Proficiency in scripting languages (Python, Power Shell, Bash).
• Knowledge of cloud‑based networking solutions in AWS, Azure, or Office 365.
• Infrastructure capacity planning and performance tuning.
• Experience with Kubernetes, Docker, and container orchestration.
• Familiarity with security best practices, SIEM platforms, and endpoint protection.
• Advanced video streaming technologies and CDN experience.

• 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 related to servers and/or cloud (preferred).
• Demonstrated expertise in a complex, multisite environment.

$115,000 – $155,000 per year

Onsite in the NJ/Philadelphia PA area

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 employees with disabilities to perform the essential functions of the job. This job description is intended to describe the general nature of work being performed and is not a complete list of all responsibilities, duties, and skills required.

Blue Mantis is a leading strategic digital technology services provider with a 30+ year history of helping clients achieve business modernization through managed services, cybersecurity, and cloud. Headquartered in Portsmouth, New Hampshire, Blue Mantis provides digital technology services and strategic guidance to rapidly adapt and grow through automation and innovation, serving more than 1,200 mid‑market and enterprise organizations.

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