What are the responsibilities and job description for the Network Security Engineer position at NLB Services?
Location:-Spring, TX – 77389 Onsite
Job Type:-12 Months (Possible Extension)
Job Description:
Responsibilities
Firewall & Network Security Engineering
- Design, implement, operate, and maintain Fortinet FortiGate firewalls across global data centers, offices, and business edge locations.
- Support migration from legacy firewall platforms, including:
- Juniper SRX
- Cisco ASA
- Cisco FTD
- Leverage FortiManager and FortiAnalyzer for centralized configuration, automation, monitoring, and reporting.
- Participate in the evaluation and potential adoption of FortiSOAR and FortiSandbox.
- Partner with OT teams managing Palo Alto firewall environments.
- Automation & DevOps
- Build and maintain automation for firewall deployments and policy management.
- Develop infrastructure-as-code and automation using: Ansible, Terraform, GitHub, Python, REST APIs, Jenkins, Jinja2, and YAML
- Contribute to a Zero-Ops / automation-first strategy, reducing manual work and increasing reliability and scalability.
- Cloud & Virtual Firewalls
- Deploy and manage virtual firewalls in AWS and Azure environments.
- Support future SD-WAN initiatives, including a potential migration to Fortinet-based SD-WAN technologies.
- Operations & Support
- Provide monitoring, troubleshooting, incident response, and vulnerability assessments.
- Manage upgrades, patching, break/fix, and operational run activities.
- Participate in a rotating global on-call (“follow-the-sun”) schedule.
- Troubleshoot network and security issues using FortiAnalyzer and Splunk logs.
- Cross-Functional Collaboration
- Work closely with cybersecurity, network engineering, cloud, application, and delivery teams.
- Create and maintain documentation, runbooks, and standardized operational processes.
- Engage stakeholders to translate business requirements into secure, scalable solutions.
Qualification:-
Required Experience:-
- 5 years of hands-on experience in network security engineering and/or operations.
- Strong expertise with enterprise firewall platforms:Fortinet FortiGate (FortiManager and FortiAnalyzer highly preferred)
- Cisco ASA / CSM
- Cisco FTD / FMC
- Juniper SRX (Junos Space)
- Solid understanding of networking fundamentals:TCP/IP, OSI model, routing/switching, ACLs
- Experience with firewalls, VPNs, IDS/IPS, NAT, DNS, and authentication technologies.
- Preferred Technical Skills
- Automation and DevOps experience using Ansible, Terraform, Python, GitHub, Jinja2, REST APIs, Jenkins
- Cloud security experience in AWS and Azure
- Advanced troubleshooting of routing and switching, including VRF and VXLAN
- Familiarity with Datadog, Algosec, and similar tools
- Experience working in Agile / SAFe environments
- Certifications (Preferred, Not Required)
- Fortinet: FCA, FCSS, NSE series
- Cisco: CCNA or CCNP Security
- Security: CISSP, GIAC
Soft Skills:-
- Self-driven, proactive, and comfortable working independently in a global virtual team.
- Strong written and verbal communication skills.
- Ability to prioritize, multitask, and adapt in a rapidly evolving environment.
- Analytical problem-solver and collaborative team player.
- Strong Plus Factors
- Experience supporting large, complex global enterprise networks
- Prior experience in oil & gas or similarly regulated industries
Top 3 Skills for Success
- Network Security Firewalls – Fortinet (primary), Cisco, Juniper
- Automation & Scripting – Ansible, Terraform, Python
- Cloud Connectivity & Security – AWS and Azure
Salary : $80 - $90