Linux Systems Administrator - Senior

Octo Consulting Group
Rockville, MD
Feb 20, 2019
Feb 21, 2019
Full Time
Octo Consulting Group is seeking a Senior Linux Systems Administrator to join our growing team in support of a federal healthcare enterprise environment, including medical research and administration. This contract provides a full range of infrastructure support to a federal agency including server architecture design & maintenance, application hosting and administration, providing fixes & upgrade patches, and ensuring cyber security compliance protections. Responsibilities: Work hands-on creating, maintaining, and decommissioning servers running CentOS and Red Hat Enterprise Linux in multi-tiered federal agency on-premises and cloud environments Analyze the effect of OS patching on server contents/functionality and perform scheduled patching in concert with applications team and system owners Advanced experience working with web and application servers including Apache, Tomcat, Jboss, Wildfire, Coldfusion, and Content Management Systems like Drupal Exposure to server and application deployment automation systems like Jenkins, Puppet, Docker, Ansible, Maven, and Git Debugging application and server performance issues and, monitoring servers along with resident applications and providing/implementing solutions AWS GovCloud environment-specific responsibilities including: architecture design, implementing load balancers, and troubleshooting EC2 Linux instances Installation and configuration of enterprise development software Hardening of server environments to agency, DHS, and/or DoD STIG guidelines including working with SSL, DNS, and cyphers issues Communicate with infrastructure, security, and agency leadership about work that is active, completed, and in backlog status Analyze specific system requirements and design modifications or deviations in hardware or software subsystems to implement user requirements and ensure cyber security 5+ years of systems administration experience Linux application and web servers Ability to work hands-on to install, configure & maintain Linux servers Experience with Apache web server administration Experience with Tomcat, Jboss, and/or Drupal application server administration Understanding of server security and how it relates to applications security Familiarity with Agile development SDLC and DevOps Strong communication skills and a self-motivated attitude Ability to work with issue tracking software and independently resolve issues Experience with supporting IA/Cybersecurity tasks and security accreditation packages Experience with supporting system audits Experience with vulnerability detection analysis Knowledge of designing and implementing countermeasures to analyze & identify security risks/vulnerabilities in Linux-based systems and integrating security mitigation policies Desired: Amazon Cloud and AWS administration Experience installing/configuring Java Enterprise Edition (Java EE) Knowledge and/or experience with Information Assurance Documentation such as ATOs and SSPs Experience with supporting STIGs and creating STIG-compliant server environments Professional experience working in an enterprise data center environment with load-balanced, multi-tiered application infrastructures Education: Undergraduate Degree (Preferred) or Equivalent One or more of the following certifications desired: Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE) ITIL Foundations certification About Octo Consulting Group, Inc. Octo Consulting Group (Octo) is an industry-leading, award-winning provider of digital services for the federal government. Octo specializes in providing agile software engineering, user experience design, cloud services, and digital strategy services that address government's most pressing missions. Octo delivers intelligent solutions and rapid results, yielding lower costs and measurable outcomes. Our team is what makes Octo great. At Octo you'll work beside some of the smartest and most accomplished staff you'll find in your career. Octo offers fantastic benefits and an amazing workplace culture where you will feel valued while you perform mission critical work for our government. Voted one of the region's best places to work multiple times, Octo is an employer of choice! Octo Consulting Group is an Equal Opportunity/Affirmative Action employer. All qualified candidates will receive consideration for employment without regard to disability, protected veteran status, race, color, religious creed, national origin, citizenship, marital status, sex, sexual orientation/gender identity, age, or genetic information. Octo Consulting Group's commitment to diversity and inclusive selection practices includes ensuring qualified long-term unemployed job seekers receive equal consideration for employment. Other Considerations: This position is W-2 only; no Corp-to-Corp or 1099 candidates. Relocation will not be offered. Selected applicants will be subject to a background investigation. Individual's primary workstation is located in an office area. The noise level in this environment is low to moderate. Regularly required to sit for extended periods up to 80% of time; frequently required to move about to access file cabinets and use office equipment such as PC, copier, fax, telephone, cell phone, etc. Occasionally required to reach overhead, bend, and lift objects of up to 10 lbs. Specific vision abilities required by this job include use of computer monitor screens up to 80% of time. For more information please visit:

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