Technical Lead - Network Security

Adentis Portugal; Portugal; Presencial; EUR 60 000 - 95 000; Tempo integral

Resumo da oferta

Adentis Portugal is seeking a Senior Network Security Engineer to join our People First team. You will guide a dedicated security team, shape incident response, and oversee technical operations in multi-vendor environments.

You will work on governance, security policies, risk assessments, and hands-on management of Cisco, Check Point, Fortinet, and cloud security platforms, with emphasis on leading complex troubleshooting and collaboration with 24x7 hubs.

Qualificações

• 8+ years of professional experience in network security.
• Previous background as a Technical Lead, Senior Security Engineer, or equivalent.
• Experience in managed services and multi-vendor enterprise environments.
• Strong hands-on knowledge of Cisco, Check Point, Fortinet security appliances.

Responsabilidades

• Provide technical guidance to the dedicated team, organizing priorities and directing daily operational workflows.
• Function as the primary technical point of contact.
• Participate in the operation and administration of security environments.
• Lead complex troubleshooting and coordinate critical incident resolution.
• Validate configuration changes, rulesets, security policies, and planned maintenance windows.
• Oversee escalation paths to L3 support teams, vendors, and external partners.
• Track security vulnerabilities, patching schedules, capacity, system performance, and lifecycle management.
• Ensure high standards for operational documentation, runbooks, baseline guidelines, and audit evidence.
• Engage in governance meetings and reporting routines, fostering continuous service improvement.

Conhecimentos

Network security

Incident management

Security governance

Team leadership

ITIL practices

Ferramentas

Cisco

Check Point

Fortinet

FMC

FortiManager

FortiAnalyzer

F5 BIG-IP

Azure

AWS

Descrição da oferta de emprego

With a decade of presence in the market, we count on over 200 professionals sharing our core mindset. We deliver value across three main service pillars:

• Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies);
• R&D (Internships, Proofs of Concept, Innovation Lab);
• Nearshore Services.

At our core, we prioritize PEOPLE. This is our emotional salary:

• Work-life integration and balance;
• Flexible daily work dynamics;
• Comprehensive health coverage for staff and dependants;
• Regular Team Building activities;
• Exclusive perks across a network of over 300 partners;
• Continuous learning backed by a dedicated training & certification hub;
• Ongoing guidance and feedback tailored to your individual roadmap;
• Transparent career advancement driven by structured performance reviews.

Key Responsibilities

• Provide technical guidance to the dedicated team, organizing priorities and directing daily operational workflows.
• Function as the primary technical point of contact.
• Participate actively in the operation and administration of security environments.
• Lead complex troubleshooting efforts and coordinate critical incident resolution.
• Validate configuration changes, rulesets, security policies, and planned maintenance windows.
• Oversee escalation paths to L3 support teams, vendors, and external partners.
• Track security vulnerabilities, patching schedules, firmware upgrades, capacity, system performance, and lifecycle management.
• Ensure high standards for operational documentation, runbooks, baseline guidelines, and audit evidence.
• Engage in governance meetings, reporting routines, and continuous service improvement initiatives.
• Facilitate knowledge sharing between the local team and the 24x7 operational hub in Spain.
• Support project phases including Transition, Shadowing, Reverse Shadowing, and Go-Live/Exploitation.

Technical Skills

• In-depth expertise in critical and highly complex network security infrastructures.
• Strong hands-on experience administering and troubleshooting Cisco, Check Point, and Fortinet security appliances.
• Solid technical background in Cisco Firepower/FMC, Check Point Quantum/CloudGuard, and FortiGate/FortiManager/FortiAnalyzer tools.
• Advanced proficiency in VPN technologies, IPS/IDS, network segmentation, security policy enforcement, system hardening, and rule optimization.
• Practical knowledge of F5 BIG-IP/LTM solutions and public cloud security (Azure/AWS).
• Proven experience in technical handling of severe incidents within multi-vendor environments.
• Working knowledge of ITIL best practices, Change Management processes, and ITSM platforms.
• Strong coordination capabilities with SOCs, infrastructure teams, vendors, and business partners.

Candidate Profile

• Ideally 8+ years of professional background focused on Network Security.
• Previous background serving as a Technical Lead, Senior Security Engineer, or in an equivalent capacity.
• Demonstrated track record within managed services and multi- vendor enterprise environments.

Desirable Certifications

• Check Point CCSE;
• Fortinet FCP (or equivalent credential);
• F5 Certified BIG-IP Administrator or F5 LTM Specialist;
• ITIL Foundation;
• Azure/AWS Security certifications are considered a strong advantage.

If you want to be part of a People First organization, join our team!

We walk with you!

At our company, we champion equality and celebrate diversity. We foster an inclusive and safe workplace where opportunities are open to everyone! We maintain zero tolerance for discrimination based on age, background, sexual orientation, gender identity, disability, or any criteria unrelated to merit. Every qualified professional who fits the profile is warmly invited to apply!