Network Systems Administrator - NJ Area

Company: Blue Mantis
Location: Philadelphia
Posted on: February 16, 2026

Job Description:

Job Description Job Description Description Blue Mantis is looking to hire a Network Systems Administrator to support multiple customers based in the NJ/Philadelphia PA area. The ideal candidate will be proficient in supporting various systems and applications, including server and cloud environments, and should also have experience with networking. This team supports a wide array of technologies to meet the needs of our customers’ large enterprise network environments. 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. Hands-on experience with cloud platforms (AWS, Azure, O365, VMware) and virtualization/containerization technologies, Infoblox, DNS, and remediation of vulnerabilities. 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, Arista) 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. Please note: This range is based on our market pay structures. However, individual salaries and hourly pay rates are determined by a variety of factors including, but not limited to business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and 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 job description is intended to describe the general nature of work being performed by employees in this job. It is not intended to be a complete list of all responsibilities, duties, and skills required. 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 partners.

Keywords: Blue Mantis, Hempstead , Network Systems Administrator - NJ Area, IT / Software / Systems , Philadelphia, New York