Senior Network Security Engineer

Job Title: Senior Network Security Engineer

Location: Fully Remote (East Coast preferred)

Contract Duration: 1-year initial contract

Role Overview

At client, security is foundational to everything we do. We are seeking a Senior Network Security Engineer with deep expertise in modern network and cloud security technologies. This role is responsible for the design, implementation, maintenance, and documentation of enterprise-wide security solutions and controls.

The ideal candidate will bring hands-on experience with next-generation firewalls, Zero Trust Network Architecture (ZTNA), cloud security, DLP, and DDoS/WAF technologies, while actively contributing to risk reduction, compliance initiatives, and operational excellence across the enterprise.

Primary Responsibilities

• Review, test, implement, and support enterprise security solutions, including:
• Email Protection: Proofpoint, Barracuda, SpamTitan, Mimecast
• Data Loss Prevention (DLP): Microsoft Purview, Conditional Access, CASB solutions (Must Have)
• Public Cloud Security: AWS, Azure, or GCP (Must Have)
• Zero Trust Network Access (ZTNA): Zscaler, Axis, Prisma Access (Must Have)
• DDoS / WAF: Cloudflare, Silverline, Cloud Armor (Must Have)
• Firewalls / IDS / NDR tools (Must Have)

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• Assess existing network security architectures and document findings and recommendations aligned with industry best practices
• Define, implement, and review security policies to control access to enterprise systems (Must Have)
• Administer firewalls, configure VPNs, and manage intrusion detection and prevention systems (Must Have)
• Apply Zero Trust principles to secure access to applications and network resources
• Perform hands-on implementations and configurations of network security technologies
• Recommend, create, and maintain security configuration baselines to harden systems
• Ensure all security operations and maintenance activities are fully documented and up to date
• Automate manual and repetitive tasks to improve efficiency (e.g., Infrastructure as Code)
• Support enterprise risk management, audits, and compliance initiatives
• Assist in defining requirements and driving security-related deliverables across teams

Knowledge, Skills, and Abilities

• Strong understanding of network and application-layer firewall concepts
• Hands-on experience with enterprise-class firewall platforms

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• Solid knowledge of network protocols including TCP/IP, DNS, DHCP, and routing protocols (Must Have)
• Strong understanding of security frameworks and standards such as NIST, ISO, CIS, and OWASP Top 10
• Working knowledge of SSL/TLS certificates and PKI (public and private key infrastructure)
• Experience with automation and scripting tools such as PowerShell, Ansible, Terraform, RegEx, Chef, or Puppet (strongly encouraged)
• Experience with public cloud infrastructure, system deployments, and release operations (strongly encouraged)
• Excellent written and verbal communication skills
• Strong collaboration and teamwork capabilities
• Results-oriented, self-motivated, and high-energy professional

Required Qualifications

• Minimum 5 years of experience in a Network Security Engineering role
• Proven hands-on experience with Firewalls, DDoS/WAF, IPS, and ZTNA technologies
• Bachelor’s or master’s degree in information systems, Information Security, or a related field (preferred but not required)
• Industry-recognized security certifications such as CISSP, CISM, CISA, CCNP Security, or Security+ (preferred)