Linux Administration Developer Jobs in Illinois (NOW HIRING)

DecisionPoint Corporation is seeking a Senior Systems Architect (AWS/Linux) to support our U.S. Transportation Command (USTRANSCOM) Integrated Booking System (IBS) program. This role is responsible for designing, implementing, and optimizing enterprise system architectures across cloud and on-premise environments, with a focus on AWS and Linux-based systems.
The Senior Systems Architect will lead infrastructure design and system integration efforts supporting mission-critical transportation and logistics systems. This position ensures that system environments are scalable, secure, and aligned with DoD standards and USTRANSCOM objectives.
The ideal candidate brings deep expertise in AWS cloud services, Linux system administration, and enterprise architecture, with the ability to lead technical teams and support complex system environments.

• Design and implement enterprise system architectures across AWS and hybrid environments
• Lead deployment and configuration of Linux-based systems (RHEL or similar) in cloud and on-prem environments
  
• Architect and maintain AWS infrastructure, including compute, networking, storage, and security services
  
• Support system integration across multiple environments, ensuring interoperability and performance
  
• Develop and implement automation solutions for system provisioning and configuration (e.g., Ansible, Terraform)
  
• Ensure systems meet DoD security requirements, including STIG compliance and RMF alignment
  
• Optimize system performance, scalability, and reliability through monitoring and tuning
  
• Support migration of systems to AWS GovCloud, including architecture design and execution
  
• Collaborate with Cloud Architects, DevSecOps teams, and developers to ensure infrastructure supports application needs
  
• Implement and maintain backup, recovery, and disaster recovery strategies
  
• Troubleshoot and resolve system-level issues across environments
  
• Maintain system documentation, architecture diagrams, and configuration baselines
  
• Provide technical leadership and mentorship to system administrators and engineering teams
• Support accreditation activities by providing system architecture input for RMF packages

• Active Secret Clearance
• IAT Level II certification (CompTIA Security+ CE preferred)
• Minimum 7+ years of experience in systems engineering, architecture, or infrastructure roles
• Strong experience with AWS cloud services (EC2, VPC, S3, IAM, etc.)
• Expertise in Linux system administration (RHEL preferred)
• Experience designing and managing enterprise-scale system architectures
• Experience with automation and configuration management tools (Ansible, Terraform, or similar)
• Strong understanding of networking, security, and system integration principles
• Experience supporting RMF and STIG compliance
• Ability to troubleshoot complex system and infrastructure issues
• Strong leadership, communication, and problem-solving skills

Preferred:

• Experience supporting USTRANSCOM or DoD transportation/logistics systems
• Experience working in AWS GovCloud environments
• Familiarity with containerization technologies (Docker, Kubernetes)
• Experience supporting DevSecOps environments and CI/CD pipelines
  
• Knowledge of high availability and disaster recovery architectures
• Relevant certifications (e.g., AWS Solutions Architect, RHCSA/RHCE)

• EEO and Affirmative Action Policy: DecisionPoint Corporation is an Equal Employment Opportunity and Affirmative Action employer. It is the policy of DecisionPoint Corporation to provide equal employment opportunity in accordance with all applicable Equal Employment Opportunity/Affirmative Action laws, directives and regulations to all employees and qualified applicants without regard to race, ethnicity, color, religion, national origin, sex, age, disability status, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected status under Federal, State or Local laws.
• Pay Transparency Policy: In accordance with Presidential Executive Order 13665, DecisionPoint Corporation will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information.
• Authorization to Share Resume and Personal Information: By expressing your interest and submitting your resume for this position, you authorize DecisionPoint Corporation to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should DecisionPoint Corporation. or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.