Network Security Engineer (Tier 2)

3 years

0 Lacs

Posted:2 days ago| Platform: Linkedin logo

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Work Mode

On-site

Job Type

Full Time

Job Description

Overview

We are seeking an experienced Network Security Operations Engineer to join the contractor program in supporting critical customer engagement. This role is ideal for someone who enjoys operating and securing production networks, solving incidents methodically, and improving reliability through automation and clear documentation.. The successful candidate will work closely with the customer's Network Operations team to ensure operational excellence and stability of the secure network environment.

Required Credentials

3+ years of hands-on experience in network security operations or network infrastructure supportFormal education in networking, information technology, or equivalent practical experience

Required Qualifications

Strong hands-on experience with Juniper networking equipment, particularly SRX firewalls and MX routers, in production environmentsSolid understanding of network security operations, including firewall policy management, incident response, and day-to-day troubleshootingPractical, working knowledge of core routing and security protocols, including BGP, OSPF, IS-IS, IPsec VPNs, and VRRPExperience implementing and maintaining firewall and VPN technologies in operational environmentsWorking knowledge of DDoS mitigation concepts and participation in network security incident responseExperience with centralized authentication and authorization systems, such as TACACS+ and RADIUSHands-on scripting and development experience using Python, focused on maintaining and extending network automation frameworksFamiliarity with version control systems, including Git-based workflows and basic SVN usage for template or configuration managementExposure to network automation and configuration management pipelines, supporting deployment and operational consistencyOperational scripting experience to maintain existing tools and create small automation solutionsExperience performing infrastructure maintenance tasks, such as server upgrades, patching, and package managementStrong written and verbal English communication skills, suitable for customer-facing operations and incident discussions

Useful Qualifications

Experience with configuration management and automation platforms such as Ansible, Terraform, or SaltExposure to API-based integrations for interacting with network or security systemsFamiliarity with cloud networking concepts in AWS, GCP, or Azure (not required and not a primary responsibility)Experience with monitoring and alerting systems such as Prometheus, Grafana, or ELK-based stacksWorking knowledge of modern data formats (JSON, YAML, XML) and basic exposure to databases used by operational tooling

Contractor Scope Of Work Delivery Expectations

Below covers the scope of work we anticipate the contractor supporting throughout the project timeline.

Scope And Solution Expectations

Operate and support network security infrastructure with a focus on Juniper SRX/MX, firewall policy management, VPN implementation/maintenance, and routing securityTroubleshoot and resolve complex network security incidents, including DDoS-related events, using structured incident response practicesImplement, review, and maintain firewall rules, VPN configurations, and network security policies following approved change processesSupport and maintain centralized authentication integrations (TACACS+, RADIUS) for network device access controlMaintain and enhance Python-based automation frameworks used for network operations and security workflowsContribute to repeatable operational work by creating SOPs and automating routine tasks, improving consistency and reducing manual effortPerform supporting infrastructure maintenance tasks related to the tooling environment (server upgrades, patching, package management)Produce and maintain network documentation and diagrams that are clear for both internal teams and customer stakeholderCommunicate clearly and professionally with customers during incident handling, change discussions, and troubleshooting updatesBoundaries: this role is operations and automation-focused; it does not own security architecture strategy or long-term platform design

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