> Markdown version of [/jobs/ext/1919588-senior-specialist-systems-administrator-cyber-infrastructure](https://www.wearedevelopers.com/jobs/ext/1919588-senior-specialist-systems-administrator-cyber-infrastructure). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Specialist, Systems Administrator (Cyber Infrastructure - **Company:** L3Harris Technologies, Inc. - **Location:** Ontario Center, NY, United States - **Experience:** Expert - **Salary:** $92,500.0 - $171,500.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Systems Engineering, Automation of Tests, Backup Devices, Configuration Management, Cyber Security, Continuous Integration, Linux, Monitoring of Systems, Identity and Access Management, Red Hat Enterprise Linux, Virtualization Technology, Cloud Platform System, Infrastructure as Code (IaC), Amazon Virtual Private Cloud (VPC), Cloudformation, Build Management, Infrastructure Automation Frameworks, Cloudwatch, Terraform - **Published:** August 4, 2026 - **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-884BF712A04FB9C08D/ ## About the Role * Bachelor's Degree with a minimum of 6 years of relevant experience, or Graduate Degree with a minimum of 4 years of relevant experience, or in lieu of a degree, a minimum of 10 years of prior related experience. * Clearance: Top Secret/Sensitive Compartmented Information (TS/SCI) with Counter-Intelligence Polygraph (CI Poly) * DoD 8570.01-M IAT Level 2 Required Professional Certifications: CCNA- Security, Security+ CE, or higher certification Preferred Additional Skills: * Experience working with continuous integration, build management, and automated test frameworks. * Experience utilizing virtualization technologies and backup solutions. * Experience in a dynamic, fast-paced, team-oriented environment. ## Description We are seeking a skilled and experienced Cyber Infrastrastructure Systems Engineer (CISE) to join our team. The ideal candidate will have system administration expertise in Amazon Web Service (AWS) core services, managing and optimizing Linux systems, as well as infrastructure automation. This role requires a hands-on professional with a robust understanding of security and risk management, and system monitoring. The candidate must have a proven track record of designing and implementing solutions that comply with security policies, maintaining a secure and resilient IT environment. Essential Functions: * Administer, support, and optimize cloud-based infrastructure within Amazon Web Services (AWS), including services such as: + EC2 + S3 + IAM + VPC + RDS + CloudWatch + Lambda * Configure, monitor, maintain, and troubleshoot Red Hat Linux systems. * Implement and manage Infrastructure as Code (IaC) and configuration management using tools such as: + CloudFormation + Terraform + Ansible * Installation of monitoring agents, STIGing, and Hardening AWS AMIs * Monitor system performance and resource usage, identify potential problems, and implement solutions to maintain system resilience and security., L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. ## Related Videos - [Infrastructure as Code: The Developer's Secret Weapon](https://www.wearedevelopers.com/videos/1221-infrastructure-as-code-the-developer-s-secret-weapon) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WeAreDevelopers LIVE - CSS is DOOMed](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Implementing Feature Environments with AWS and Terraform](https://www.wearedevelopers.com/videos/531-implementing-feature-environments-with-aws-and-terraform) - [Terraform for Developers](https://www.wearedevelopers.com/videos/3-terraform-for-developers) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top 6 Hackathons for Developers in 2023](https://www.wearedevelopers.com/magazine/263-top-6-hackathons-for-developers-in-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)