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Senior Systems Administrator

Cyfle
New YorkSenior8+ yrs
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Posted 1 month ago. 15 more Systems / Network Administrator jobs in New York, New York went up on company career pages this week. See the newer ones

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The job in short

Systems administration.

LinuxCybersecuritySOC

Details

Found
35 d ago · posted 2026-10-03
Location
New York

Full description

Salary: $145,000.00 We have partnered with a large non-profit organization in the New York, NY area to provide them with a Senior Systems Administrator. Please review the below description and let us know if you are interested. Must Have Skills for the Senior Systems Administrator: #1. 8+ years hands-on experience deploying, administering, and upgrading Windows and Linux servers in a large IT environment (> 200 servers) #2. 8+ years hands-on experience and maintaining enterprise IT infrastructure. #3. 8+ years hands-on experience deploying, administering, and upgrading Windows 20XX operating systems. #4. 8+ years hands-on experience deploying, administering, and upgrading Microsoft Active Directory. Responsibilities of the Senior Systems Administrator: • Configure, maintain, monitor, upgrade, and support the VMWare private cloud infrastructure environments • Configure, maintain, monitor, upgrade, and support Linux and Windows virtual servers including expertise in Active Directory, DNS, DHCP, Replication, SMB, DFSR, etc. • Maintain, monitor, upgrade, and support the Institutes network and cyber-security infrastructure • Manage the Institutes Disaster Recovery plan by ensuring RPO and RTO are achieved and tape backups are performed on scheduled basis • Monitor database performance and recommend changes • Monitor and administer storage devices • Support enterprise-wide work initiatives and projects • Recommend improvements that increase system security, reliability, and performance • Provide Infrastructure Support for multiple developed systems and applications of medium to high complexity ensuring control, integrity, and accessibility. • Provide Support for enterprise applications such as Alfresco, Confluence, SharePoint, and custom developed web applications • Provide support for business-critical applications • Responsible for deploying and managing security SSL Certificates, MFA Infrastructure, and 802.1X • Support and comply with the Institutes Information Security Management System (ISO/IEC 27001:2013) • Manage security awareness program • Participate in IT audits and cybersecurity assessments at regular intervals. • Maintain, manage and support cyber-security devices, applications, and appliances. • Primary point of contact with the Institutes Security Operations Center (SOC) and manage the relationship. • Ensure delivery of clear and concise performance and up time repots to management on a daily basis. • Keep current on the cybersecurity, regulatory, and threat landscapes • Perform upgrades, patches and updates to production applications and servers • Provide technical assistance to members of the IT Department • Prepare project plans, implementation scheduling, and coordinate new site installations • Document system and network infrastructure and application processes and configurations Information Security Responsibilities: • Attend/complete assigned information security training by the designated completion date • Read and adhere to published ISMS policies and procedures • Report timely any observed violations of ISMS policy - or known encroachments on information security - to your department leader and/or the Information Technology Department Requirements of the Senior Systems Administrator: • Bachelor's degree in Engineering plus eight years experience • VMWare, Microsoft Windows, and Cisco Systems certifications desired • 8+ years hands-on experience deploying, administering, and upgrading Windows and Linux servers in a large IT environment (> 200 servers) • 8+ years hands-on experience and maintaining enterprise IT infrastructure • 8+ years hands-on experience deploying, administering, and upgrading Windows 20XX operating systems • 8+ years hands-on experience deploying, administering, and upgrading Microsoft Active Directory • 8+ years hands-on experience deploying, administering, and upgrading a VMWare ESXi environments and VMWare vSphere • 5+ years hands-on experience deploying, administering, and upgrading a VMWare Horizon View cloud desktop environment • 3+ years hands-on experience maintaining VMWare Horizon View cloud desktop environment • 2+ years hands-on experience administering public cloud environments Other Qualifications for the Senior System Administrator: • Demonstrated ability to take on a lead role coordinating projects • Expert knowledge of VMware in a large environment with strong knowledge of VMware clustering, configuration and management • In-depth understanding of network security and access control • Strong understanding of network routing and switching protocols • Excellent knowledge of TCP/IP, including packet-level traffic analysis • Cisco switches and router (Strong Knowledge Required), Pure storage systems • Knowledge of administering Palo Alto Firewalls, Arista switches • Strong security analysis skills and experience with SIEM and Vulnerability Management solutions • Creative problem-solving skills • Must be a self-starter with desire to excel and broaden the scope of experience and knowledge in infrastructure design • Strong verbal, written, and interpersonal skills • Occasional travel to datacenter and other offices, as needed Other Key Requirements • 100% onsite, in-office role. • No sponsorships or visa holders. No Corp-to-Corp. Benefits of the Senior Systems Administrator Senior Systems Administrator: • Medical Insurance • Dental Insurance • 401 (k) Profit Sharing About the Company: Cyfle is a global business dedicated to connecting talents worldwide. Our comprehensive RPO services, placement services, and training services help businesses unlock their full potential.

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