DXC Technology is a integral professional services company whose mission is to lead the digital transformation of our clients by advising and guiding them in the application of technology to obtain the best results and increase the competitiveness of their companies. With more than 130,000 professionals and expert technologists, collaborating in more than 70 countries together with an exceptional network of partners, we offer advanced IT services and solutions.

In Spain, we are one of the main leaders in the IT market. We have nearly 8,000 professionals, distributed in thirteen locations, with centers of excellence in cutting‑edge technologies such as Cloud, Business Intelligence, AI, or Automation among many others, serving more than 200 customers from all industries in the public and private sectors. We work with leading companies in the country that trust us to guide their digital transformation.

We develop active policies of diversity and inclusion of people with disabilities, and we are proud to have a representation of approximately 49% of female professionals.

Roles & Responsibilities

Act as L3 technical reference within the SOC and managed security services

Handle and resolve complex cybersecurity incidents (L3 level)

Design, evolve and harden security architectures (on‑premise and cloud)

Participate in cybersecurity projects (deployments, migrations, improvements)

Manage and optimize advanced security technologies, including:

EDR/XDR (e.g. SentinelOne, CrowdStrike, Microsoft Defender)

SIEM/SOAR (e.g. Sentinel, Splunk, QRadar)

Firewalls/WAF (e.g. Fortinet, Palo Alto)

SASE / SWG / CASB (e.g. Netskope, Zscaler)

Support service transitions and implementation of new security capabilities

Act as escalation point for L1/L2 teams and provide technical mentorship





Engage with clients (workshops, troubleshooting, reporting)

Contribute to the implementation of security solutions in client environments

Participate in on‑call rotations when required

Required Skills

+7–10 years of experience in cybersecurity

Previous experience as: L3 SOC / Senior Security Engineer, or Technical Security Architect / Consultant (hands‑on)

Strong hands‑on experience across

Design, implementation and operation of security solutions

Enterprise environments, multi‑client setups or MSSP

Solid knowledge in several of the following areas:

Network Security (Firewalls, IDS/IPS)

Endpoint Security (EDR/XDR)

SASE / Cloud Security (Netskope, Zscaler, CASB)

Public Cloud (Azure, AWS, GCP)

Security across IaaS, PaaS, SaaS environments

Microsegmentation (e.g. Guardicore)

Infrastructure as Code / automation

Strong analytical and problem‑solving skills

Ability to work in complex environments and manage multiple priorities

Customer‑oriented mindset and strong communication skills

Proactive, autonomous and team‑oriented attitude

English level B2+

What will you find at DXC?

Professional development.

Leading projects for market reference clients.

Excellent work environment.

Flexibility and work‑life balance.

Work with leading technologies within the IT sector.

Access to DXC University with unlimited certifications.

Social and responsible commitment.

Stable employment.

Social benefits.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in‑person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

📌 Senior Security Engineer (Madrid)
🏢 DXC Technology
📍 Madrid