Network Analyst Jobs

About The Position

Requirements

• 5+ years cybersecurity; 3+ years OT/ICS network monitoring or analysis.
• Hands-on operational experience with Nozomi Networks: Guardian, Vantage, and Arc.
• Understanding of OT/ICS environments, industrial protocols (Modbus, DNP3, EtherNet/IP, PROFINET), and asset types.
• Experience with SIEM platforms and log correlation in hybrid IT/OT environments.
• Knowledge of network segmentation principles and OT-specific security architectures.
• Familiarity with IEC 62443 and NIST SP 800-82.
• Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

Nice To Haves

• Certifications preferred: GICSP, Nozomi Networks Certified Expert, CSSA, or equivalent.
• Experience in manufacturing, energy, utilities, or critical infrastructure sectors (preferred)
• Exposure to additional OT security platforms such as Claroty, Nozomi or Dragos (preferred)
• Scripting skills (Python, PowerShell) for automation of reporting or alerting workflows (preferred)

Responsibilities

• Operate and administer Nozomi Networks Guardian sensors across OT network segments for asset visibility and threat detection.
• Utilize Nozomi Vantage for centralized management, dashboarding, and cross-site OT security monitoring.
• Deploy and manage Nozomi Arc agents for endpoint visibility within OT environments.
• Triage and investigate security alerts generated by Nozomi and correlated with SIEM tools, prioritizing OT-specific risk.
• Maintain and improve OT asset inventory, network topology maps, and communication baselines.
• Develop custom detection rules, alert thresholds, and dashboards within Nozomi Vantage.
• Conduct detailed OT network traffic analysis to identify unauthorized devices, lateral movement, and protocol anomalies.
• Support incident response activities related to OT network security events.
• Produce clear and actionable security reports for technical teams and leadership.
• Collaborate with engineering and plant operations teams to onboard new OT assets and maintain detection coverage.
• Contribute to OT security policies, procedures, and playbooks.
• Mentor junior analysts and support team capability development.

Benefits

• Company-Paid Lunch Stipend: Lunch is provided via GrubHub
• Company-Paid Benefits: 100% Employer-Paid Medical in our High Deductible Health Plan, Dental and Vision benefits for employees and their families, 16 weeks of Paid Parental Leave, Employee Assistance Program, Life insurance, Short-Term Disability and Long-Term Disability
• 401(k): Company will match 100% of your contributions up to 6%
• Optional Employee-Paid Benefits: Medical insurance in our PPO plan and a variety of other benefits such as Health Savings Accounts (with Company Contribution!), Flexible Spending Accounts, Supplemental Life Insurance, Wellhub and more.
• Time Off: 25 days of Paid Time Off plus 12 company holidays