Network Security Engineer

Description

Summary: Seeking a network security engineer passionate about solving complex technical problems, automating tasks, and enhancing global infrastructure security through cutting-edge tools. Highlights: 1. Opportunity to deepen expertise in network security and automation. 2. Solve complex technical problems across cloud, networking, and cybersecurity. 3. Contribute to advancing Zero Trust Architecture and security posture. Porto Salvo, Lisbon District, Portugal **Category** Information Technology **Hire Type** Employee **Job ID** 17579 **Date posted** 08/02/2026 **We Are** Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI\-powered products. We deliver industry\-leading silicon design, IP, simulation and analysis solutions, and design services. We partner closely with our customers across a wide range of industries to maximize their R\&D capability and productivity, powering innovation today that ignites the ingenuity of tomorrow. **You Are** You have spent the last few years building your foundation in network security and you are ready to go deeper. You are the kind of engineer who sees a manual deployment process and immediately starts thinking about how to script it away. Security is not just a compliance checkbox for you, it is the lens through which you evaluate every configuration, every access control, every network segment. You love solving complex technical problems, automating repetitive tasks, and learning cutting edge tools across cloud, networking, and cybersecurity domains. You will support our global infrastructure, spanning data centers, cloud environments, and secure enterprise networks, while developing automation solutions that enhance speed, consistency, and security. Your values align with Synopsys' core principles of Integrity, Execution, Excellence, Leadership, and Passion. You are eager to grow and learn, embracing new challenges and opportunities to advance your career in network security. **What You'll Be Doing** * Design, configure, deploy, monitor, and troubleshoot production network infrastructure and associated services * Implement network security standards and access controls following NIST frameworks * Develop and implement network security policies and procedures * Implement and support campus and data center macro and micro\-segmentation policies * Utilize automation tools and scripts to standardize deployment configurations and environments * Monitor and analyze networks for potential security threats and vulnerabilities * Manage network security infrastructure including SASE, firewalls, VPNs, and ZTA solutions * Help maintain and advance Zero Trust Architecture adoption * Develop and enforce best practice security standards, compliance, and governance * Conduct external and internal security audits and assessments to identify potential risks and vulnerabilities in the network infrastructure adhering to industry\-standard cybersecurity frameworks * Stay up to date on emerging network security threats and proof of concepts * Create and maintain documentation of network security designs, processes, and procedures * Identify and solve problems related to overall security infrastructure performance, efficiency, and availability in a timely manner * Contribute to network and security support ticketing and provide timely resolution for end user issues **The Impact You Will Have** * Improve reliability and speed of security operations through automation and AI tools * Enhance Synopsys' network security posture through the implementation of new vendor solutions * Ensure compliance with network security standards, governance, and industry best practices * Provide critical support for global remote field offices and data centers, ensuring secure and reliable network connectivity * Utilize automation to streamline deployment configurations, improving efficiency and consistency * Support the advancement and maintenance of Zero Trust Architecture, reinforcing Synopsys' security framework * Contribute to the resolution of network security issues, minimizing downtime and ensuring business continuity **What You'll Need** * 4 \+ years of experience working on current bleeding edge technology Gartner leaders * Bachelor’s degree or equivalent work experience * Proficient in network configuration management and automation tools (Python, Ansible) * Familiar with Rest API automation and configuration management secure coding * General knowledge of NIST, CIS Benchmark and/or STIG security frameworks * Experience with MFA, SSO, SAML deployment * Familiar with Clearpass NAC * Deep understanding of network security systems and protocols such as IPSec, IKE, GRE, TACACS, RADIUS, 802\.1x, OSPF, DMVPN, BGP, SD\-WAN * Experience with configuring and troubleshooting Cisco, Versa, and Aruba devices * Experience with configuring Palo Alto, Zscaler and SASE solutions * General knowledge of Frontier AI threat risk and prevention * Ability to work after hours to support projects and maintenance activities. * Some knowledge of automation and scripting tools such as Python and Ansible * Ability to create best practice secure environment diagrams and documentation * Ability to quickly learn new or unfamiliar technology and products using documentation and internet resources. * Strong verbal, written interpersonal and communication skills **Bonus Qualifications** * Knowledge on quantum resistant encryption and migration plan * AI/ML frameworks like ScikitLearn, PyTorch, or Azure ML. * Cloud experience in GCP, Azure and AWS * Experience with working in a global team environment and solving problems independently. * Master’s degrees in Network or Computer Engineering, Computer Science, Cybersecurity Who You Are **The Team You'll Be Part Of** You will join a global network engineering team responsible for supporting all network services across LAN, WAN, data centers, remote access, wireless, and firewall security. This team manages a footprint of over 12 megawatts of power, 12 colocation data centers, 10 on\-premises data centers, and more than 50,000 servers worldwide. The team operates with a focus on integrity, execution excellence, leadership, and a commitment to securing and scaling the infrastructure that powers Synopsys' growth. **Rewards and Benefits** We offer a comprehensive range of health, wellness, and financial benefits to cater to your needs. Our total rewards include both monetary and non\-monetary offerings. At Synopsys, we want talented people of every background to feel valued and supported to do their best work. Synopsys considers all applicants for employment without regard to race, color, religion, national origin, gender, sexual orientation, age, military veteran status, or disability.