Senior Network Security Engineer Juniper | Hybrid - Spring, TX (2-3 days onsite)

Senior Network Security Engineer -- Juniper

Location: Spring, TX --- Hybrid, 2--3 days onsite

Job Type: Contract

Job Description

We are seeking a Senior Network Security Engineer with strong hands-on experience in Juniper SRX firewalls, network segmentation, Zero Trust Architecture, and enterprise network security.

The ideal candidate will have 10 years of global network security experience and strong expertise designing and implementing secure, highly available network environments across data centers, campus, and hybrid cloud platforms.

Key Responsibilities

• Translate business objectives into enterprise network security requirements and architecture.
• Design and implement comprehensive security solutions using Juniper SRX.
• Develop strategic network and security architecture roadmaps.
• Lead end-to-end network security architecture across global environments.
• Architect network segmentation using Juniper SRX across data center, campus, and cloud environments.
• Implement Zero Trust Architecture (ZTA) and least-privilege access models.
• Discover and map application dependencies to create application-aware firewall policies.
• Design granular security policies using security zones, VRFs, and SRX policies.
• Integrate segmentation with SIEM, IAM, EDR/XDR, and cloud-native security controls.
• Establish segmentation governance, policy lifecycle management, and compliance aligned with CIS, NIST, and Zero Trust frameworks.
• Participate in security architecture reviews, audits, compliance assessments, and risk reporting.
• Manage and optimize SIEM platforms.
• Collaborate with cybersecurity, infrastructure, and application teams.

Required Technical Skills

• Juniper / Firewall Security
• Strong hands-on Juniper SRX experience.
• Network segmentation and firewall-based security.
• Application-aware firewall policies.
• Security zones, policies, NAT, routing, and VRFs.
• East-west traffic inspection.
• Firewall HA clustering and scale design.
• Threat prevention and application control.
• Fortinet and Palo Alto experience is a plus.
• Zero Trust & Security
• Zero Trust Architecture
• ZTNA
• Identity-driven access
• Least-privilege security
• SIEM
• IAM
• EDR/XDR
• IDS/IPS
• NAC
• VPN
• DLP
• Cloud Security
• AWS
• Azure
• Google Cloud Platform
• Hybrid cloud security
• Cloud-native security controls
• Networking
• BGP
• OSPF
• RIP
• MPLS
• IPv4/IPv6
• DNS
• DHCP
• NTP
• QoS
• NetFlow
• ACLs
• NAT
• Multicast
• Wireless / 802.11

Additional Technologies

• F5 GTM/LTM
• VPN technologies
• Forward/reverse proxies
• Load balancing
• WAAP / API protection
• SDN / SD-WAN
• Aruba
• Arista
• Juniper switching

Operations & Lifecycle

• Plan and implement network/security upgrades and migrations.
• Document infrastructure changes and security architectures.
• Work within ITIL processes for incident, change, and problem management.
• Support highly available and resilient enterprise environments.

Qualifications

• 10 years of experience in global network security environments.
• Bachelor''s degree in Computer Science, Network Engineering, or related field, or equivalent experience.
• Strong customer and stakeholder communication skills.

Preferred Certifications

• CCNP / CCIE
• JNCIS / JNCIP / JNCIE with Juniper SRX focus preferred
• CISSP / CISM or equivalent security certification

Thanks

Navya