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Sr. Linux Systems Administrator

Company: Grindstone
Location: Sterling
Posted on: June 20, 2022

Job Description:

Grindstone is an innovative, Minority-Owned Small Business specializing in providing cutting-edge solutions to businesses and government agencies in the Mid-Atlantic region. Our client is looking for a Sr. Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities. The Sr. Systems Administrator applies expert knowledge in Linux/Unix environments for infrastructure support to an advanced cybersecurity environment. Works with a team of highly skilled administrators to provide senior-level administrative expertise for an RHEL environment. Mentors junior system administrators and recommends design changes to improve the system's operability. If interested after reviewing the description below, please apply and someone from the Grindstone team will reach out to you.Work LocationDulles, VA after Covid restrictions are lifted. Required Skills - Must have an active Secret clearance and be able to obtain a TS/SCI clearance - Must be able to obtain DHS Suitability - 6+ years of system administration in Linux, ideally Red Hat Enterprise Linux version 7 or 8 (RHEL7 / RHEL8) with the ability to engineer, install, administer and maintain complex system architectures - Experience with Linux OS installation, security hardening, and maintenance - Experience with administration and management of Linux servers to include installation, configuration, optimization, backup & recovery - Experience with Linux performance tuning & troubleshooting, identifying and resolving contention in CPU, memory, networking, disk I/O, etc. - Skilled in Linux-related scripting (Bash, Perl, Python, etc.) - Experience with products such as Red Hat Satellite Server, Puppet, Chef, and/or Ansible - Ability to manage changes to the system and assesses the security impact of those changes - Integration & implementation experience with various services, LDAP, Samba, NFS, Bind, Apache, and other core technologies - Familiarity with configuration management - Strong research, analytical, and problem-solving skills - Good communication skills including preparing and presenting results, findings, and alternatives and influencing management decision making based on the best available data Desired Skills- Experience with Infrastructure as Code (IaC) using Ansible or other comparable products - Experience working in an agile development environment - Experience with software development using java, RESTful services - Comfortable with multilevel security systems, SELinux, and/or Cross Domain Solutions - Experience with data orchestration software such as Apache NiFi or StreamSets - Experience with distributed computing environments such as Hadoop - Experience with Amazon Web Services (AWS) platform capabilities, including a good understanding of the Amazon Web Services (AWS) Well-Architected Framework, AWS certification - Experience working in AWS via the CLI and management console. Knowledge and experience configuring Virtual Private Clouds (VPCs) - Experience working in DevOps and/or DevSecOps environments - Familiarity with the following technologies in a cloud environment: ELK Stack (ElasticSearch, Logstash, Kibana), Ansible, Nessus, Zscaler, ClamAV, AIDE, Splunk, DNS, NAT, Git, Docker, Kubernetes, OpenShift, Jenkins Required EducationBachelor's degree in Systems Engineering, Computer Science, Information Systems, or related technical field. Two years of related work experience may be substituted for each year of degree-level education. Desired Certifications- DoD 8570.1 IAT Level II - Red Hat Certified System Administrator (RHCSA)

Keywords: Grindstone, Sterling , Sr. Linux Systems Administrator, IT / Software / Systems , Sterling, Virginia

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