Linux System Administrator

Description

Responsibilities

Maintaining, troubleshooting, and configuring big data environments based on many open source and commercial products

Maintain existing systems and automate procedures

Improve performance and security monitoring

Tune performance of existing web application stack

Perform software hardening and assessments (e.g., STIG checklists)

Support on-premise and cloud environments (unclassified and classified)

System administration of development, test and production systems

Implementing and utilizing monitoring, alerting, and response system capabilities

Analyzing system, software and user performance metrics to include trend capture

Implementing and utilizing production change and compliance management systems covering hardware life cycle, system updates, software and security patching, and technology roadmap

Maintaining a suite of standard operating procedures (SOPs) to support production operations appropriate to existing or anticipated failure modes that expertly document responses to system failure issues

Configuring and maintaining user account management interfaces and system supports including direct customer interface

Utilizing security management capabilities and helping ensure a secure and DoD compliant service and system architecture

Supporting the DevOps environment of cutting edge military and national defense related applications

Periodic planned, scheduled, and/or rotational on-call system maintenance support outside of normal duty hours, as required

Keeping up with trends in DevSecOps and SRE

Requirements

BS in Computer Science, equivalent degree, or previous work experience

10+ year's experience with Linux (Red Hat) system administration

Managed taskings and led team of system administrators

Conducted system performance and file integrity monitoring

Managed user issue identification, reporting, tracking and feedback functions

Escalated user issues based on trends or alerts

Conducted vulnerability scanning, mitigation, and reporting functions

Nice to Have

Scripting experience (such as Puppet, Ansible, Bash, Python, Ruby)

Experience with cloud hosting environments (AWS, Azure, Google, etc.)

Experience with KVM or VMWare virtualization technologies

Experience with Docker and Kubernetes

Experience with big data infrastructure to include Hadoop, Accumulo, Elasticsearch, MongoDB and Cloudera EDH

Understand web application infrastructures to include Wildfly, Apache HTTPD, NGINX and Spring products

Experience with configuration of direct attached and storage area network units

Information security experience and certifications (NIDS, HIDS, Auditing, Incident Response)

Supported plans for security and cyber attack mitigation

Experience with Agile methodologies and Atlassian products

Top Skills Details

Linux, System Administrator, Red Hat

Additional Skills & Qualifications:

This person will be leading the Linux team fulltime, so someone with leadership experience would be great. 2-3 days in office.

About TEKsystems:

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.