Senior Network Security Engineer – Firewall Juniper SRX

Role :- Senior Network Security Engineer – Firewall Juniper SRX

Location :- Houston, TX(Onsite)

Note :-  Firewall Juniper SRX experience is must

Senior Network Security Engineer

Client is an innovative, dynamic company with a rich past and a

promising future. Originally Client has continuously reinvented

itself. Today, Client is one of the world's leading technology companies and provides wired

and wireless networking, servers, storage, IT and Cloud services, and software solutions for

the next generation of IT infrastructure.

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Key Responsibilities

• Translate high-level business strategic objectives and goals into Enterprise IT

requirements and conceptual designs.

• Develop and support comprehensive solutions that meet requirements and align

with Client global network security and strategy using Juniper SRX platforms.

• Develop and maintain a multi-year strategic network and security architecture

roadmap, incorporating Zero Trust and firewall-based segmentation models.

• Lead end-to-end network and security architecture across global platforms

ensuring secure, high-performing, fault-tolerant, and resilient environments.

Segmentation & Zero Trust Responsibilities (Juniper SRX Focus)

• Architect and implement network segmentation strategies using Juniper SRX

firewalls across data center, campus, and cloud environments to limit lateral

movement and enforce least-privilege access.

• Design and operationalize Zero Trust Architecture (ZTA) principles, integrating

identity, application, and network-based policy enforcement using firewall controls.

• Collaborate with application owners to discover, validate, and map application

dependencies to enable policy-driven segmentation via firewall rules and

security zones.

• Define and enforce granular security policies using zone-based segmentation,

VRFs, and SRX policy constructs across hybrid environments.

• Integrate segmentation with firewalls, SIEM, IAM, EDR/XDR, and cloud-native

controls for unified policy enforcement.

• Lead adoption and standardization of Juniper SRX as the primary segmentation

enforcement platform across enterprise environments.

• Develop segmentation governance models, policy lifecycle management, and

compliance alignment (CIS/NIST/Zero Trust frameworks).

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Core Network Security Responsibilities

• Participate in network security design reviews and ensure all implementations meet

enterprise security standards.

• Analyze business requirements to design and implement security across data

centers, campus networks, and hybrid environments.

• Provide ongoing risk metrics, control effectiveness tracking, and security posture

reporting.

• Conduct and support internal and external security audits and compliance

assessments.

• Maintain awareness of emerging threats and update policies accordingly.

• Develop and manage policies, processes, and procedures ensuring reliability,

availability, and security of network systems.

• Manage and optimize Security Information and Event Management (SIEM) systems.

• Collaborate with Cyber Security, infrastructure, and application teams toward

compliance and operational excellence.

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Technical Qualifications

• Strong hands-on experience in designing and implementing network segmentation

using enterprise firewalls (Juniper SRX preferred) in complex environments.

• Proven capability to build application-aware firewall policies based on traffic

flow analysis.

• Experience with policy design, enforcement, monitoring, and optimization in

firewall-based segmentation environments.

• Strong understanding of east-west traffic inspection, security zoning, and

firewall-enforced segmentation.

• Familiarity with Zero Trust Network Access (ZTNA) and identity-driven access

models.

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Network Security & Infrastructure

• Strong experience managing LAN/WAN security technologies, including firewalls,

IDS/IPS, SIEM, VPN, and NAC.

• Expertise in firewall architecture and design with strong hands-on experience in

Juniper SRX (primary), along with Fortinet and Palo Alto.

• Deep expertise in:

o Security zones, policies, NAT, routing

o Application control and threat prevention

o High-availability clustering and scale design

• Experience securing public and private cloud (AWS, Azure, Google Cloud Platform) environments.

• Design and implementation of Web Application and API Protection (WAAP)

solutions.

• Strong experience in proxy (forward/reverse), load balancing, and application

security integration.

• Experience with SDN and SD-WAN architectures, including segmentation use

cases.

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Networking & Protocol Expertise

• Strong knowledge of Juniper: