Network Security Engineer - Intermediate Level

Network Security DevOps Engineer

Location: Spring TX (100% Onsite) Duration: 12 Months Rate: $70/hr. We are seeking an experienced Network Security DevOps Engineer to join a global enterprise environment. This role is ideal for professionals with strong technical depth in network security who are passionate about automation, cloud connectivity, and building secure, scalable infrastructure. You will play a pivotal role in safeguarding the organization's security posture and enabling resilient global IT operations.

As a Network Security DevOps Engineer, you will design, engineer, and maintain complex network security solutions across data centers, cloud environments, and distributed regional infrastructures. You will be responsible for ensuring compliance with corporate security standards while defending against evolving cybersecurity threats. By applying DevOps principles, you will help drive automation, improve operational efficiency, and support a forward-leaning Zero-Ops vision. This position involves close collaboration with network engineering, cybersecurity, cloud, infrastructure, and application teams around the world.

Key Responsibilities

• Design and implement network security technologies across global environments, including data centers, office networks, and edge platforms.
• Operate and maintain firewalls and security platforms such as Cisco ASA/FTD, FortiGate, and Juniper SRX, including upgrades, patching, and configuration management.
• Develop secure, automated infrastructure solutions using Terraform, Ansible, Python, GitHub, Jenkins, REST APIs, Jinja2, and YAML.
• Integrate DevOps methodologies to enhance scalability, automation, and resiliency within network security operations.
• Contribute to reducing manual interventions by creating Zero-Ops-aligned workflows and automation frameworks.
• Support security operations teams with monitoring, analysis, incident response, and vulnerability management.
• Assess security advisories and vulnerabilities, and recommend appropriate mitigations.
• Participate in ad-hoc incident investigations and vulnerability assessments.
• Collaborate with cross-functional stakeholders to support projects and operational improvements.
• Create and maintain detailed operational documentation and process guidelines.

Qualifications

• Minimum 3 years of hands-on experience in network security engineering.
• Proficiency with enterprise security platforms: Cisco ASA (CSM), Cisco FTD (FMC), FortiGate (FortiManager), Juniper SRX (Junos Space).
• Strong understanding of networking fundamentals: TCP/IP, OSI model, routing/switching, ACLs, VPNs, NAT, DNS, and traffic flow analysis.
• Experience with firewalls, IDS/IPS, VPNs, authentication, encryption, and vulnerability management processes.
• Preferred certifications: CCNA/CCNP Security, Fortinet NSE/FCA/FCSS, CISSP, GIAC (not mandatory).

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2022 ManpowerGroup was named one of the World's Most Ethical Companies for the 13th year - all confirming our position as the brand of choice for in-demand talent. ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.