Network Security DevOps Engineer
Type: W2 With Benefits - No C2C
Location: Spring, TX - 5 days per week - onsite
Overview
- We are standing up a new Network Security DevOps organization focused on modernizing, automating, and operating enterprise firewall and network security services at global scale.
- This role offers high visibility and real impact—you’ll help shape how security is engineered, deployed, and operated across complex environments.
- As a Network Security DevOps Engineer, you’ll work hands-on with leading firewall platforms, cloud-native security, and automation tooling.
- This is an ideal role for a driven engineer who takes ownership, demonstrates leadership, and thrives in fast-paced, highly collaborative environments.
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.
Qualifications 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
Benefits:
SES hires W2 benefitted and non-benefitted consultants. Our contract employee benefits include group medical dental vision life LT and ST disability insurance, 21 days of accrued paid time off, 401k, tuition reimbursement, performance bonuses, paid overtime, and more.
Please contact me to discuss the details of this position further.
*Please forward resume directly to for immediate consideration - rstarinieri at sesc .com
I look forward to speaking with you soon!
Robin Starinieri
Director of Recruiting
Systems Engineering Services
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