Network Security Operator Jobs (NOW HIRING)

Requirement – Network Security / Platform Engineer

Location : Liverpool, NY, or Northborough, MA-Onsite

Contract W2

Job Summary

We are seeking a Network Security / Platform Engineer to support and maintain enterprise network infrastructure across multiple locations. The ideal candidate will be responsible for network security, firewall administration, routing and switching, infrastructure monitoring, backup and recovery, and ensuring compliance with organizational security standards. This role requires strong troubleshooting skills, the ability to work independently, and participation in a 24x7 on-call rotation.

Key Responsibilities

Network & Security Administration

• Manage and maintain enterprise firewalls, including rule creation, policy management, security reviews, and hardening.
• Configure, monitor, and troubleshoot routing and switching infrastructure across multiple sites.
• Support application delivery and load balancing platforms to ensure high availability and optimal performance.
• Perform vulnerability assessments and network port scanning to identify and remediate security risks.
• Maintain network segmentation and implement security best practices.

Infrastructure Support

• Provide hardware and software support for network and server infrastructure.
• Support remote sites and data centers, including Smart Hands support when required.
• Install, rack and stack, configure, and upgrade network equipment.
• Perform IOS upgrades and firmware updates on network devices.
• Monitor system performance, availability, and resource utilization.

Monitoring, Backup & Recovery

• Manage centralized logging, monitoring, and alerting systems.
• Maintain network device backups and validate recovery procedures.
• Support disaster recovery activities and backup restoration testing.
• Ensure timely completion of scheduled backups and monitoring tasks.

Operations & Compliance

• Apply security patches to firewalls, routers, switches, and related network appliances.
• Ensure compliance with NERC CIP standards and internal security policies.
• Participate in change management, configuration management, and documentation activities.
• Work with vendors to troubleshoot hardware and software issues.
• Participate in a 24x7 on-call support rotation.

Documentation & Collaboration

• Create and maintain network diagrams, topology maps, and technical documentation.
• Document configurations, operating procedures, and change records.
• Collaborate with infrastructure, security, and application teams to resolve issues.
• Provide performance reports and support capacity planning initiatives.

Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent work experience.
• Minimum 3 years of experience in Network Engineering, Network Security, or Infrastructure Support.
• Hands-on experience with enterprise firewalls, routers, and switches.
• Strong understanding of TCP/IP, DNS, DHCP, VLANs, VPNs, SNMP, and routing protocols.
• Experience with network monitoring, logging, backup, and recovery solutions.
• Knowledge of vulnerability assessments and network security best practices.
• Strong troubleshooting and analytical skills.
• Ability to work independently and in a collaborative team environment.
• Excellent verbal and written communication skills.
• Willingness to participate in a 24x7 on-call rotation.
• Valid driver's license with the ability to travel up to 25% as required.

Preferred Qualifications

• Experience supporting multi-site enterprise network environments.
• Knowledge of application delivery controllers (ADC) and load balancing technologies.
• Familiarity with NERC CIP compliance requirements.
• Experience with disaster recovery planning and implementation.
• Working knowledge of centralized log management and monitoring platforms.
• Experience creating network diagrams using Microsoft Visio.
• Knowledge of configuration management and change management processes.
• Experience working with technology vendors and cross-functional teams.
• Exposure to packet analysis and network diagnostic tools.