Systems Administrator - NYC Onsite

GreenPages
United States, New Hampshire, Portsmouth
2 International Dr Suite #260 (Show on map)
Jun 27, 2025
Blue Mantis is expanding it's team in the NYC area and we are looking to hire a Systems Administrator to support enterprise-class data centers and ensure seamless network operations. 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. If you thrive under pressure and excel at managing complex technical challenges, this is your opportunity to make an impact. Work Schedule - Wed - Sunday 7AM - 4PM. Department Blue Mantis Employment Type Full Time Location Onsite Workplace type Onsite 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 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) 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 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 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. VCP5 or VCP6 VMware Certified. 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 partners. About Blue Mantis Blue Mantis is a leading strategic digital technology services provider with a 30+ year history of successfully helping clients achieve business modernization by applying next-generation technologies including managed services, cybersecurity and cloud. Headquartered in Portsmouth, New Hampshire, the company provides digital technology services and strategic guidance to ensure clients quickly adapt and grow through automation and innovation. Blue Mantis partners with more than 1,200 leading mid-market and enterprise organizations in a multitude of vertical industries and is backed by leading private equity firm, Abry Partners. Apply Now