AWS Infrastructure Engineer

What success looks like in this role:

Key Responsibilities

• Architect, deploy, and support AWS-based infrastructure components to meet technical and business requirements.
• Administer and troubleshoot Linux and Windows servers hosted on AWS, including patching, hardening, upgrades, and configuration management.
• Develop and maintain automation and infrastructure-as-code using AWS CloudFormation, Terraform, and AWS CLI to standardize provisioning and operational tasks.
• Implement AWS security best practices across IAM, VPC design, security groups, encryption, key management, and auditing to meet security and compliance needs.
• Monitor platform health and performance using CloudWatch/CloudTrail (and approved third-party tools), and proactively optimize availability, performance, and cost.
• Design and operate backup and disaster recovery solutions to ensure business continuity using AWS Backup, S3, Auto Scaling and recovery procedures.
• Support CI/CD integrations with AWS services using CodePipeline/CodeDeploy and/or tools such as Jenkins and GitLab to enable reliable deployments.
• Respond to incidents and service disruptions, perform troubleshooting and root cause analysis, and drive preventive actions to avoid recurrence.
• Collaborate with DevOps, application, and security teams to deliver infrastructure changes and operational improvements; mentor junior engineers and promote best practices.
• Create and maintain operational documentation, runbooks, and standard procedures for supported environments.

You will be successful in this role if you have:

Skills (Must-have)

• 3+ years of infrastructure/operations experience, with 2+ years supporting AWS environments.
• Strong hands-on knowledge of AWS core services: EC2, S3, VPC, IAM, CloudWatch, CloudTrail, and load balancing concepts.
• Strong Linux and Windows server administration experience in cloud environments (OS troubleshooting, patching, hardening).
• Working knowledge of Infrastructure as Code and automation using CloudFormation and/or Terraform and AWS CLI.
• Strong understanding of AWS networking fundamentals: VPCs, subnets, route tables, security groups, NACLs, VPN/load balancer basics.
• Practical scripting skills in Python and/or Bash and/or PowerShell for operational automation.
• Strong troubleshooting skills for cloud infrastructure issues across OS, networking, access, and performance.
• Good communication skills with the ability to document clearly and explain technical issues to stakeholders.

Qualifications

• Bachelor’s degree in Computer Science / IT / Engineering (or equivalent practical experience).
• AWS Associate-level certification (Solutions Architect Associate and/or SysOps Administrator Associate).

Good to Have / Desirable Skills

• Exposure to advanced AWS services and patterns: Transit Gateway, Direct Connect, VPC endpoints, multi-account networking.
• Experience with AWS Systems Manager (Patch Manager, Automation, Run Command, Session Manager).
• Knowledge of AWS security services: KMS, GuardDuty, Security Hub, AWS Config, AWS Shield.
• Experience supporting AWS-managed databases: RDS/Aurora/DynamoDB (monitoring, backups, connectivity troubleshooting).
• Experience with CI/CD tooling beyond AWS native tools (Jenkins, GitLab CI) and release/change support.
• Experience with cost optimization practices (right-sizing, scheduling, storage lifecycle policies, reserved capacity awareness).
• Familiarity with ITIL processes (Incident, Problem, Change) and on-call/shift-based support models.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, blood type, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

Local employment practices and rights may vary by jurisdiction and are subject to applicable local laws. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.

If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com. US job seekers can find more information about Unisys’ EEO commitment here.