Contractual Critical Infrastructure Engineer Jobs in Pennsylvania

• Implement, configure, and maintain infrastructure components including servers, storage, networking, and cloud resources under the guidance of senior engineers. 
• Execute infrastructure changes and deployments following established designs, standards, and change management processes. 
• Contribute to automation efforts (e.g., PowerShell, Python, Terraform, Ansible) to streamline provisioning, configuration, and operational tasks. 
• Implement and follow security best practices, including system hardening, patching, access controls, and configuration baselines. 
• Monitor system performance, availability, and capacity; respond to alerts and incidents; perform routine maintenance and health checks. 
• Participate in incident management activities, including troubleshooting infrastructure issues, documenting findings, and implementing corrective actions. 
• Support capacity planning and cost optimisation by collecting and reporting utilisation metrics for compute, storage, and network resources. 
• Maintain accurate documentation of infrastructure configurations, standards, runbooks, and troubleshooting guides. 
• Collaborate with cross-functional teams (Security, Applications, Cloud Engineering, Service Desk, and managed service providers) to deliver integrated, reliable solutions. 
• Provide Tier 2/3 support for infrastructure-related tickets, ensuring timely resolution and clear communication with stakeholders. 
• Participate in an on-call rota and after-hours maintenance windows as required, in line with business needs and applicable working time regulations.  

Essential 

• Typically, 5+ years of experience in Technology or IT Infrastructure/Operations roles. 
• Hands-on experience with at least one major cloud platform (AWS, Azure, or GCP) for IaaS/PaaS services. 
• Working knowledge of core networking concepts and protocols (e.g., TCP/IP, DNS, DHCP, VPN, routing, load balancing). 
• Experience with virtualisation and/or containerisation technologies (e.g., VMware, Hyper-V, Docker, Kubernetes). 
• Exposure to infrastructure automation and scripting (e.g., PowerShell, Bash, Python, Terraform, Ansible) is required;  
• Familiarity with monitoring and logging platforms and the use of metrics/alerts to maintain system health. 
• Strong problem-solving and troubleshooting skills with a focus on root-cause analysis and prevention. 
• Effective communication and interpersonal skills with the ability to work collaboratively across technical and non-technical teams. 
• Highly organised, detail-oriented, and able to work independently while managing multiple tasks and priorities. 

Desirable 

• Experience building reusable modules and runbooks would be desirable. 

Qualifications 

• Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent experience. 

• The role holder must be able to carry out the essential duties of the role, with reasonable adjustments where required, in accordance with the Equality Act 2010. 
• Regular attendance and reliability are expected, in line with contractual obligations and company policies. 
• Participation in an on-call rota and occasional out-of-hours working is required, managed in accordance with the Working Time Regulations 1998 and applicable rest and working time requirements.  
• The role may involve manual handling of IT equipment (e.g. laptops, monitors, peripherals); appropriate training and safe working practices will be provided in line with health and safety requirements.  

• Applicants must have the right to work in the United Kingdom, as this role is not eligible for visa sponsorship.  
• The role may involve handling systems and data subject to UK GDPR and Data Protection Act 2018 requirements; adherence to company data protection and information security policies is required.