Senior Network Security Devops Engineer

Job Title: DevSecops Engineer (Network Security Operations engineer) Employment Type: Contract Work Location: Spring TX (100% Onsite) Duration: 12 Months Rate: $65-$70/hr. Position Overview We are seeking a highly skilled Network Security Engineer to support and manage enterprise security authentication and firewall policy management platforms. This role is responsible for maintaining secure network access, supporting AAA services, automating operational processes, and ensuring policy compliance across global network environments. The ideal candidate will bring strong experience in Cisco ISE, firewall policy management tools, and automation technologies while collaborating with global infrastructure and security teams. Key Responsibilities Maintain and operate firewall security management platforms, including authentication servers and firewall policy compliance systems. Administer and support enterprise Cisco Identity Services Engine (ISE) environments, ensuring reliable authentication, authorization, and accounting (AAA) services. Support 802.1X network access control across wired and wireless environments. Manage and support privileged network access frameworks for controlled device access. Collaborate with network, security, and endpoint teams to ensure seamless integration and policy enforcement. Develop and maintain automation solutions using Ansible, Python, Terraform, and REST APIs. Manage and update Ansible playbooks for automation deployments. Monitor system health, logs, and performance; respond to alerts and incidents. Perform change management activities for supported platforms. Assess security advisories and vulnerabilities and implement remediation activities. Participate in a global follow-the-sun on-call rotation providing escalation support for critical issues. Required Skills & Qualifications Strong experience with Cisco Identity Services Engine (ISE) and network authentication technologies such as 802.1X, TACACS+, and RADIUS. Experience with firewall policy management and compliance tools such as Algosec, Cisco Security Manager, Cisco Firepower Management Center, FortiManager, and FortiAnalyzer. Hands-on experience troubleshooting network access and authentication issues. Experience with automation and scripting using Python, Ansible, Terraform, and GitHub. Familiarity with CI/CD pipelines and Infrastructure as Code (IaC) concepts. Working knowledge of AWS cloud services (EC2, VPC). Understanding of endpoint profiling and access control technologies. Preferred Qualifications Experience supporting enterprise global authentication platforms. Knowledge of enterprise firewall lifecycle management and policy governance. Experience working in global enterprise network environments. Soft Skills Strong verbal and written communication skills. Excellent analytical and troubleshooting abilities. Ability to work independently while collaborating effectively within global teams. Strong organizational, interpersonal, and presentation skills. Top Required Skills Cisco Identity Services Engine (ISE) and Network Authentication (802.1X, TACACS/RADIUS) Firewall Policy Management Tools (Algosec) Automation/Scripting (Python, Ansible, Terraform, GitHub) If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you! 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.

Created: 2026-03-04