Linux Infrastructure Engineer

4 weeks ago

Chantilly, United States TekStream Solutions Full time

The job duties of the Linux Infrastructure Engineer are as follows:


  • Engineer and support the rapidly evolving Red Hat Enterprise Linux (RHEL) common service requirements for mission critical network management systems and applications
  • Patching and maintaining server builds
  • Coordinating and managing patching repositories in offline environments to ensure timely vulnerability patching
  • Building and deploying automated server and workstation builds across an enterprise infrastructure with environments that are logically separated
  • Troubleshooting and resolving complex hardware/software issues, restoring the environment to an operational state with minimal downtime, performing root cause analysis, and providing a forward leaning mitigation strategy
  • Researching emerging technologies to determine impact on application/system integration and execution
  • Collaborating with developers/engineers across disciplines to define system requirements and then designing a solution that meets the current requirements and is scalable to meet future enterprise requirements
  • Continuous improvement and process optimization as well as soliciting feedback from operations to simplify and enhance processes they use
  • Common security requirement implementation and scanning automation tools with ability to evaluate and properly configure security compliance requirements​.
  • Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2
  • Understanding of all phases of the software and system development lifecycle and the ability to comprehend user business needs and concerns and integrate that understanding with technical skills.
  • Strong Unix/Linux system knowledge and administrator experience providing RHEL 7.x through 9.x platform and administrative support as well as operating system management and troubleshooting.
  • Scripting and command line experience in automating routine tasks
  • Design and administration experience using Red Hat products such as Satellite, Ansible and containerization.
  • Experience building and deploying automated server and workstation builds across an enterprise infrastructure with environments that are logically separated
  • Experience with proactive monitoring concepts, including experience configuring and deploying network and systems monitoring (i.e., SNMP, Splunk, Nessus, etc.)
  • Enterprise VM-based computing and competencies of systems including Fault tolerance, High availability, Scalability and Capacity planning, Data center organization, and Backup & Recovery
  • Familiarity with Encryption, IDS/IPS, Firewalls, Anti-Virus, VPNs, SSL
  • Possess a degree in Computer Science or a related technical field
  • A highly motivated candidate must be able to work independently and with local and geographically diverse team members using effective time management skills to meet deliverable timelines
  • The position is on site within an AT&T facility; the position does not require travel; however, the candidate is expected to be in the office five days per week during business hours



Desired Qualifications:


  • Tooling and automation development experience
  • Extended knowledge of API design (JSON, REST, etc.)
  • Solid understanding of Layer 1-4 fundamental protocols
  • Knowledge of standard networking monitoring technologies (SNMP, *Flow, etc.)
  • Knowledge of network device configuration and management
  • Experience in configuration development on Management Software (Ansible, Salt, Puppet, Chef, etc.) a plus
  • Knowledge of Unit Test framework a plus
  • Knowledge of Agile & Scrum Methodologies
  • Excellent verbal and written communication skills regarding developing project briefings, updating system designs, rack elevations, wiring diagrams, and system outage after action reports
  • Displays understanding of open-source frameworks, with experience deploying various open-source packages and/or application stacks into sponsor's production landscape
  • Establishes ability to deploy and maintain Linux baseline for physical and virtual platforms
  • Establishes ability to develop and maintain capacity metrics
  • Interprets and implements new concepts, technologies, and products quickly
  • Collaborator with strong emotional intelligence; otherwise, a strong self-starter who can work independently and manage multiple task assignments
  • Illustrates experience performing trend analysis on overall system health, performance, and capacity management regarding utilization and growth



Basic Qualifications


  • TS SCI CI Poly
  • The candidate must have 16 years of experience that can be a combination of work history and education. This equates to a doctorate and 8 years, a master’s and 10 years, a bachelor’s and 12 years, an associates and 14 years or a HS diploma and 16 years

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