Job Description

Role Title: Infrastructure Developer

Location: Hybrid 60% office-40% Remote ,Knutsford

Duration: 31/07/2026

Rate £282

MUST BE PAYE THROUGH UMBRELLA

Role Description:

Overview:

We are seeking an experienced Infrastructure Developer to design, implement, and maintain robust infrastructure solutions that support enterprise applications and services. The ideal candidate will have a strong foundation in systems administration, networking, and development, with a focus on automation and scalability, as well as hands-on experience with cryptographic systems, secure key management, and encryption technologies.

Key Responsibilities:

Design, build, and maintain infrastructure across Windows and Unix environments.

Manage and optimize networking components to ensure secure and efficient connectivity.

Implement and maintain cryptographic controls, including encryption at rest and in transit, certificate management, and secure communication protocols.

Develop, integrate, and support secure key management solutions (e.g., HSMs, cloud KMS, secrets management platforms).

Monitor and react to cryptographic events (e.g., key rotations, expirations, compromise scenarios) to ensure continuous system integrity and compliance.

Administer and troubleshoot databases to support application performance and reliability, including secure encryption configurations.

Develop and maintain automation scripts and tools to streamline infrastructure operations, including cryptographic lifecycle management.

Collaborate with development teams to integrate infrastructure with application requirements, ensuring secure handling of sensitive data and cryptographic operations.Required Skills:

Infrastructure Knowledge: Proven experience in managing enterprise-grade infrastructure.

Operating Systems: Windows Server and/or Unix/Linux expertise (both preferred).

Networking: Strong understanding of network protocols, configuration, and security, including secure transport protocols (e.g., TLS/SSL, IPSec).

Database: Experience with relational and/or NoSQL databases, including encryption and secure data handling practices.

Development & Automation: Proficiency in Java and Python for scripting and application integration.

Hands-on experience with automation frameworks and tools (e.g., Ansible, Terraform, or similar).

Cryptography & Security:

Strong understanding of cryptographic principles (encryption, hashing, digital signatures, PKI).

Experience with certificate lifecycle management and Public Key Infrastructure (PKI).

Familiarity with key management systems (e.g., AWS KMS, Azure Key Vault, HashiCorp Vault, or HSMs).

Ability to implement and automate secure key rotation, storage, and access controls.

Knowledge of compliance and security standards related to cryptography (e.g., TLS best practices, FIPS, NIST guidelines).

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