Network Security jobs in United States

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board.

Country: Netherlands
City: Birmingham, United Kingdom; Budapest, Hungary
Req ID: 507393

About CRH

We are CRH, and we are committed to contributing to a more resilient and sustainable built environment. We understand the wider impact our businesses can make in supporting human activity. We continue to do this through the delivery of unique, superior building materials and products for use in road and critical utility infrastructure, commercial building projects, and outdoor living solutions.

CRH (NYSE: CRH, LSE: CRH) is the leading provider of building materials solutions that build, connect and improve our world. Employing c.78,500 people at c.3,390 operating locations in 28 countries, CRH has market leadership positions in both North America and Europe. As the essential partner for transportation and critical utility infrastructure projects, complex non-residential construction, and outdoor living solutions, CRH's unique offering of materials, products, and value-added services helps to deliver a more resilient and sustainable built environment. The company is ranked among sector leaders by Environmental, Social, and Governance (ESG) rating agencies. A Fortune 500 company, CRH's shares are listed on the NYSE and LSE.

Without you noticing our products, we are everywhere you live, work, and relax.

Our project portfolio includes some of the most sustainable and cutting-edge building projects around the world. Think of the asphalt on the Silverstone Grand Prix Circuit, the Paris Metro Rail project, but also the Louis Vuitton Museum in Paris, parts of the Burj Khalifa, and the Kennedy Space Centre.

Position Overview
Joining CRH Europe Technology will embark you on a great journey with career development in a global organization. As Infrastructure Senior Architect, you will be part of the technology architecture, gaining broad business knowledge of the company's activities globally, as well as understanding how the complexity of Information Technology supports the global building-materials business.

You will be exposed to a wide and challenging range of business issues through regular engagement with key stakeholders across all management levels within CRH.

You will work and communicate across geographical and cultural borders that will enable you to build a strong professional network. We believe people thrive when they are in charge of their career paths and professional growth. We will provide you with opportunities to broaden your knowledge and strengthen your technical and professional foundation.

By choosing CRH, you join not only for the role, but for a career.

We aim to be a world-class professional Technology organization that delivers business value through automation, standardization, and innovation. We believe in empowerment where each of us takes ownership and responsibility for developing and implementing new ways of working.

As the Infrastructure Senior Architect, you will be at the forefront of defining and implementing our world-class information technology practices and the supporting toolchain to achieve our goal of building first-class cloud-based services.

The focus will be on time to market and accelerating the business in delivering digital innovation.

Key Tasks and Responsibilities
In this role, you will:

• Maintain and improve deep technical requirements and architecture patterns and technologies to build and run a full-stack API and UI hosting platform.
• Deliver high-quality environments in line with architectural standards and project delivery requirements.
• Participate in CRH IT platform modernization across a broad and diverse set of operating companies and technologies.
• Provide an end-to-end architecture technical solution for merger & acquisition & divestment migration.
• Have experience in cloud solutions and be comfortable working with traditional legacy architecture. Experience with secure hybrid end-to-end solutions.
• Establish and evolve a set of modern architecture principles (Guardrails).
• Ensure "Secure By Design" practices are widely adopted.
• Be a cloud evangelist to help others realize the value of modern cloud capabilities.
• Support new ways of work like Agile Development, DevOps practices, and hackathons.
• Cross-vertical support and align on solution architecture.
• Document designs as part of sprints, easing up transition into Operations.

Individual Competencies
You are able to:

• Drive Results - Consistently achieve objectives in a fast-moving and broad environment.
• Collaborate - Build partnerships and work collaboratively with others to meet shared objectives.
• Make Quality Decisions - Make good and timely decisions that keep the organization moving forward.
• Be analytical and drive results - Assist in developing and deploying key governance, processes, and procedures.

Key Characteristics

• Transformation mindset using an approach of persuasion and encouragement that embeds sustainable capabilities.
• Visionary Moderniser - Able to think outside the situation on the ground and drive toward best-in-class modern technology and practice.
• Critical thinker - A problem solver who resolves conflicts.
• Strong communication skills - Both oral and written skills as well as listening and presentation skills.
• Reliable - Can be trusted with a challenging task.
• Passionate and dedicated - Energetic and eager to learn new technologies, advise, and develop others.
• Motivated - Stays motivated and can deal with resistance.
• Understand and manage customer expectations.

Key Functional Competencies

Technical Skills

• Highly technical full-stack competency in globally distributed systems.
• Knowledge of Cyber-Security.
• Knowledge of Active Directory and Entra ID.
• General understanding of database technologies.
• Windows and Linux Servers Architecture.
• Knowledge and experience of Zero Trust Architecture Solutions.
• Knowledge of End Point Technologies.
• Knowledge of Backup Solutions.
• Code reuse and documentation.
• Azure knowledge is a plus.

Continuous Integration / Continuous Deployment (CI/CD)

• Deep knowledge of automating build, testing, and deployment pipelines using GitHub Actions, GitLab CI/CD, CircleCI, Travis CI.
• Strong experience with Git and version control strategies (branching, merging, etc.).
• Collaboration & Issue Tracking: JIRA, Confluence for coordinating between teams.

Networking & Security

• Knowledge in TCP/IP, DNS, VPN, load balancing, and firewalls.
• Implementing security in DevOps (e.g., IAM policies, network security, vulnerability scanning, encryption).
• Experience with modern security protocols and practices (Zero Trust, OAuth, OpenID, TLS/SSL).

Agile Methodologies

• Experience with Agile, Scrum, and Kanban for iterative and efficient software delivery.
• Expertise in managing teams and processes aligned with DevOps principles.

Infrastructure as Code (IaC)

• Experience with IaC tools like Terraform, Azure Resource Manager (ARM) to automate infrastructure provisioning.
• Configuration management tools for maintaining and deploying infrastructure (Ansible, Puppet, Chef).

Containers & Orchestration

• Knowledge in containerization of applications and services using Docker.
• Skills in container orchestration, deployment, and management of large-scale, containerized applications (Kubernetes, OpenShift).

Soft Skills

• Language: English (Fluent), Desirable: Second European Language (preferred).
• Excellent written and verbal communication skills with people at all levels across the organization.
• The ability to translate business requirements into viable technical solutions.
• Good stakeholder management skills (all directions). Able to describe and push new concepts.

Experience / Education
You are/have:

• 10+ years of experience.
• Experienced Cloud DevOps Architect from a Large Enterprise. Certified in Azure!
• Bachelor's degree or equivalent in IT-related discipline.
• Experience working in cross-functional teams on a European or Global level.

Other (Key) Dimensions

• Global Information Security
• Europe IT Operations Team
• IT Management Operating Companies
• European IT Leadership Team
• Key vendors

What CRH Offers You

• A culture that values opportunity for growth, development, and internal promotion
• Highly competitive salary package
• Comprehensive secondary benefits
• Significant contribution to your pension plan
• Health and wellness programs, including an on-site gym and fitness classes
• Excellent opportunities to develop and progress with a global organization

Connect your future to CRH

We are curious to learn more about you. At CRH, we believe our mutual differences contribute to the healthy, productive, and enjoyable workspace we create. Please introduce yourself and send us your application.

Is this role not for you, but do you know someone who would love to join the team? Please let us know!

CRH finds it important that vacancies are shared with individuals that may find them interesting and/or could be suitable for the role.

Please contact our recruitment team at careers@crh.com.

CRH is an equal opportunity employer. We are committed to creating an inclusive work environment for all employees and actively encourage applications from all sectors of the community.

Benefits/perks listed above may vary depending on the nature of the employment with CRH and the country where you work.

Please note that we cannot accept any applications submitted through email for GDPR purposes. Candidates must apply through our job portal.

We do not accept candidate introductions for this position from recruitment agencies, unless you have been instructed to do so by our recruitment team.

Date: 21 Mar 2025