Network & Security Engineer

Ren; City of Hudson (NY); On-site; USD 90,000 - 140,000; Full time

Job summary

Ren is seeking a Network and Security Engineer to design, implement, and operate secure network infrastructure across on‑prem, cloud, and hybrid environments. You will help manage routers, switches, firewalls, and cloud security controls while contributing to incident response and security posture improvement.

The role emphasizes hands-on networking with cloud configurations (AWS/Azure/GCP), vulnerability remediation, and collaboration with IT and DevOps teams.

Qualifications

• 3+ years in network engineering or security roles.
• Strong understanding of TCP/IP, VLANs, DNS, DHCP, routing/switching.
• Hands-on with cloud networking and secure configurations.
• Experience with VPNs, IDS/IPS, and basic SIEM/log analysis.

Responsibilities

• Design, implement, and maintain network infrastructure incl. routers, switches, firewalls, load balancers, and wireless systems.
• Support network security operations: firewall rules, VPN configuration, IDS/IPS monitoring.
• Enforce network security policies, standards, and best practices.
• Secure cloud infrastructure components (VPCs, security groups, ACLs) and cloud baselines.
• Conduct cloud configuration audits; remediate misconfigurations and over-privileged access.
• Monitor networks and cloud environments for anomalies using SIEM and native tools.
• Participate in incident response: investigation, containment, and documentation.
• Assist in vulnerability scans and remediation for network and cloud infra.
• Manage ACLs and access policies to reduce attack surface; maintain docs.

Skills

Networking fundamentals

Cloud networking

Scripting

Security monitoring

Incident response

Education

3+ years in network engineering or network security

Tools

Firewall platforms

SIEM tools

Terraform/Ansible

Cloud services (AWS/Azure/GCP)

Cloud security tools (GuardDuty/Azure Security Center)

Job description

Network and Security Engineer

Department

SecOps

Position Description

The Network and Security Engineer helps design, implement, and maintain the network infrastructure and security controls that keep the organization running safely. This role works across on-prem, cloud, and hybrid environments to build reliable, well-secured networks, respond to incidents, and continuously improve the organization's security posture. This is a hands-on infrastructure role suited to someone looking to grow their expertise in both networking and security.

Duties & Responsibilities

• Implement, configure, and maintain network infrastructure including routers, switches, firewalls, load balancers, and wireless systems
• Support network security operations, including firewall rule management, VPN configuration, and IDS/IPS monitoring
• Assist in defining and enforcing network security policies, standards, and best practices
• Own secure configuration of cloud infrastructure components, including security groups, VPC/network ACLs, and core network appliances
• Apply cloud security baselines and guardrails (e.g., CIS Benchmarks, AWS Well-Architected security pillar, Azure Security Benchmark) to new and existing resources
• Perform regular cloud configuration audits to identify and remediate misconfigurations, excessive permissions, or public exposure of resources
• Monitor network and cloud environments for anomalies, drift, and unauthorized changes using SIEM, NetFlow, CSPM/CNAPP, and native cloud tools (e.g., AWS Config, GuardDuty, Azure Security Center)
• Participate in incident response for network and security events, including investigation, containment, and documentation
• Support vulnerability scans and support remediation efforts for network and cloud infrastructure
• Manage network segmentation, access control lists (ACLs), and access policies to reduce attack surface
• Maintain accurate network documentation, diagrams, and configuration records
• Support compliance efforts by ensuring infrastructure aligns with relevant regulatory and audit requirements (e.g., SOC 2)
• Collaborate with IT, DevOps, and Produt teams on cross-functional projects
• Participate in on-call rotation for network and security incidents

Education & Experience

• 3+ years of experience in network engineering or network security roles
• Solid understanding of network protocols (TCP/IP, VLANs, DNS, DHCP, routing/switching fundamentals)
• Experience with firewall platforms and security appliances
• Hands-on experience with cloud networking and secure configuration (AWS, Azure, or GCP - VPCs, security groups, encryption)
• Experience identifying and remediating cloud misconfigurations
• Familiarity with VPN technologies, IDS/IPS, and basic SIEM/log analysis tools
• Working knowledge of scripting or automation tools (Python, Ansible, Terraform, or similar)
• Strong troubleshooting skills and attention to detail
• Good communication skills and ability to work collaboratively across teams

Preferred Qualifications

• Relevant certifications: CCNA/CCNP, Security+, CySA+, or cloud security certifications (AWS Certified Security - Specialty, Azure Security Engineer Associate, GCP Professional Cloud Security Engineer)
• Experience with cloud security posture management (CSPM) or cloud-native application protection platform (CNAPP) tooling
• Exposure to zero-trust network concepts
• Experience with container/Kubernetes networking and security

Ren is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law_._