Senior Network Security Engineer Job at Cleo Consulting, New York, NY

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  • Cleo Consulting
  • New York, NY

Job Description

Job Title: Senior Network Security Engineer

Duration: 12 Months

Onsite NYC NY

Description

  • About the Role We are seeking a Senior Network Security Engineer to help lead the transformation and modernization of large-scale enterprise network security infrastructure within a highly complex global environment. This role is responsible for designing implementing and operating advanced network security controls that protect critical systems users and enterprise services against evolving cyber threats.
  • This position operates within a modern product-centric engineering model focused on infrastructure resiliency automation operational excellence and secure connectivity at scale. The ideal candidate brings strong hands-on expertise across enterprise network security automation zero trust architecture and production operations within large mission-critical environments.
  • The engineer will collaborate closely with infrastructure cloud operations and cybersecurity teams to deliver scalable secure and highly available network security solutions supporting enterprise connectivity worldwide. Key Responsibilities
  • Design implement and manage enterprise network security solutions including:
    • Firewalls
    • IDS/IPS platforms
    • Proxy technologies
    • Remote access solutions
    • Network Access Control (NAC)
    • Network segmentation
  • Support large-scale production network security environments with focus on:
    • Stability
    • Security
    • Operational resiliency
    • Scalability
    • Performance optimization
  • Enforce network security standards policies and baseline configurations across enterprise environments
  • Lead and support automation initiatives utilizing:
    • Infrastructure as Code (IaC)
    • CI/CD pipelines
    • Configuration management
    • DevSecOps methodologies
  • Develop automation solutions using tools such as:
    • Python
    • Ansible
    • Terraform
  • Partner with infrastructure cloud security and operations teams to design and deploy integrated security solutions
  • Execute complex production changes within structured change management and governance frameworks
  • Support incident response production troubleshooting and root cause analysis for critical network security events
  • Maintain operational documentation runbooks standards diagrams and compliance reporting
  • Assist with monitoring alerting operational metrics and continuous service improvement initiatives
  • Participate in architecture discussions focused on zero trust secure access segmentation and enterprise security modernization

Required Qualifications

  • Bachelors degree in Computer Science Information Security or related discipline
  • 8 years of experience in network security engineering architecture or production operations roles
  • Strong hands-on experience supporting enterprise-scale security infrastructure in complex environments
  • Experience managing and troubleshooting:
    • Firewalls
    • IDS/IPS
    • Secure remote access
    • Proxy technologies
    • NAC solutions
    • Segmentation platforms
  • Experience with automation CI/CD pipelines and Infrastructure as Code (IaC)
  • Strong understanding of:
    • Risk management
    • Incident response
    • Security governance
    • Regulatory and compliance frameworks

Required Technical Skills Network Security

  • Deep expertise with:
    • Firewall technologies
    • IDS/IPS platforms
    • Secure segmentation
    • Proxy solutions
    • Remote access technologies
    • Zero trust network architecture Automation & DevSecOps
  • Hands-on experience with:
    • Python
    • Ansible
    • Terraform
    • CI/CD pipelines
    • Configuration management frameworks Security Architecture
  • Strong understanding of:
    • Zero trust principles
    • Secure enterprise network design
    • Cloud-connected security models
    • Enterprise compliance frameworks such as:
      • ISO 27001
      • PCI DSS Operations & Incident Management
  • Experience supporting critical production environments
  • Strong troubleshooting and root cause analysis capabilities
  • Experience responding to high-severity incidents and enterprise escalations

Communication & Leadership

  • Strong written and verbal communication skills
  • Ability to collaborate effectively across engineering operations infrastructure cloud and security teams
  • Ability to lead initiatives and execute effectively within fast-paced enterprise environments

Preferred Qualifications

  • CISSP CCNP Security AWS Security Azure Security or equivalent certifications
  • Experience with SIEM and observability platforms
  • Exposure to vulnerability management programs
  • Experience operating within highly regulated enterprise environments
  • Knowledge of enterprise monitoring and telemetry platforms
  • Experience with large-scale global infrastructure environments

Job Tags

Full time, Remote work, Worldwide

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