20 melhores vagas de network & security operations specialist para lisboa, p11 (Contratando agora!)

We are seeking a Senior Network & Security Operations Specialist to support and maintain enterprise network and security services within large-scale production environments.

The role focuses on operational excellence, incident response, governance, and continuous improvement of network and security services supporting critical business platforms.

Key Responsibilities

Operate and support enterprise network and security infrastructure.
Lead incident response and troubleshooting activities.
Participate in change, release, and problem management processes.
Ensure operational compliance with security standards and governance requirements.
Support network connectivity services and platform integrations.
Manage DNS and certificate lifecycle processes.
Develop and maintain operational documentation, runbooks, and procedures.
Collaborate with platform and infrastructure teams to improve service reliability.

Required Skills & Experience

Minimum 5 years of experience operating enterprise networks in production environments.
Strong experience with:
- Cisco
- Juniper
- Palo Alto Networks
Hands-on experience with:
- Cisco ACI
- Apstra
- Panorama
Strong understanding of:
- WAN/LAN networking
- Routing and switching
- Firewalls
- Network security operations
Experience with:
- Infoblox DNS
- Certificate management
Experience with ITSM tools:
- Jira Service Management
- Jira
- Confluence
Knowledge of monitoring and observability solutions.
Understanding of SRE concepts and operational governance.
Familiarity with Kubernetes and modern platform operations.
Awareness of GitOps and Infrastructure as Code practices:
- Terraform/OpenTofu
- Helm
- ArgoCD

Nice to Have

Experience in regulated industries such as energy, banking, telecommunications, healthcare, or public sector.
Experience with SRE methodologies and reliability management.
Exposure to DevOps and platform engineering practices.

What We Offer

Fully remote work model.
International projects for the German market.
Long-term engagement.
Modern enterprise infrastructure and cloud-native environments.
Collaboration with international teams and industry experts.

What can you expect from us?

Mind-blowing workplace culture. You will be integrated in a professional, dynamic and collaborative team.

100% Remote opportunities

We want you to have the flexibility to work where you feel most comfortable and productive.

International Career

You can expect professional growth and to be connect with the world.
We are represented in Portugal, Belgium, Luxembourg, and Denmark.
And with projects in many other countries: Netherlands, Luxembourg, Singapore and in the United States of America (and a lot more is coming…)

Extra Benefits & Perks

If you wish to work with us and you are outside European Union (good news…) we are a Tech Visa Company, We will help!

As a plus, we provide Health and Life Insurance.

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