Education and Experience: • Bachelor's degree in Information Technology, Computer Science or a relevant technical discipline and 5 years of relevant experience; Additional experience, education and training may be considered in lieu of degree • Active Secret with SSBI or Top-Secret security clearance • Current DoD-8570 IAT Level 2 or higher certification (i.e., CompTIA Security+/CE, CASP or CISSP) • Experience installing, managing and maintaining RHEL 7 Linux servers in a production environment • Experience troubleshooting and managing virtualized infrastructure in a VMware ESXi environment • Experience with deploying and managing infrastructure and software applications to the AWS cloud • Experience applying DevOps concepts and tools to automate repetitive tasks and ensure baseline consistency across multiple environments • Experience deploying, managing, monitoring and maintaining a variety of complex software products across multiple environments, including WildFly/JBoss, MongoDB, Apache Cassandra, HAProxy, etc. • Experience with the deployment of McAfee HBSS tools in a Linux environment • Experience with scripting in Bash and experience in other languages such as Perl or Python • Thorough knowledge of TCP/IP networking • Application and configuration of security settings and other IA best practices, such as those as required by DISA STIGs and SRGs • Experience supporting, installing and configuring enclave Ethernet switches, storage area networks (SAN), and network attached storage (NAS) Responsibilities: • Work independently to ensure the reliability, availability and security of the ENET solution by proactively monitoring the system, troubleshooting, and resolving issues to ensure high availability and continuity of operations • Be able to work in a fast-paced environment and must be able to work independently • Maintain configuration management and baseline control of development, test, pre-production and production environments • Conduct regular security scans, analyze results and implement resolutions including testing of new hardware and software and ensure compliance with DISA STIGs • Operate and maintain the ENET solution, including patching of operating systems and COTS/FOSS/GOTS • Perform and test regular backups • Monitor and tune system and network performance, including RHEL and VMWare systems, for optimal system availability • Configure, manage and maintain components of the SDN solution (application servers, load balancers, databases, operating systems, etc.) • Deploy ENET systems in the Lab environment, integrate with other systems, perform testing and validation • Manage, track and maintain configuration items including licenses, SSL certificates and the hardware/software baseline • Support ENET baseline deployments, upgrades and updates to the production environment including the installation and configuration of new software and hardware • Lead planning and migration of ENET infrastructure and applications from the Data Center environment to the AWS cloud. • Create, maintain and implement detailed documentation and maintain standard operating procedures. • Perform trend analysis on component failures, network/node outages, and system performance parameters • Interact with software and hardware vendors to evaluate vendor products and make recommendations to purchase hardware and software • Work with network engineers and developers to troubleshoot environment issues as necessary • Escalate support issues to vendors as necessary and coordinate resolution • Manage access including creation and management of user and service accounts • Provide support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend support as required by mission or emergency situations Preferred Qualifications • Red Hat Certified System Administrator (RHCSA)/Linux Professional Institute Certification (LPIC) • Experience managing HPE integrated BladeSystem enclosures, including Onboard Administrator, iLO and interconnect modules • Experience managing and using Ansible automation tools • Knowledge of Git and the Git version control model • Understanding of PostgreSQL, including monitoring, managing and maintaining replicated databases • Experience supporting, installing and configuring enclave Fiber/Ethernet switches, HPE storage area networks (SAN)/ network attached storage (NAS) • Experience with a ticketing system such as BMC Remedy and/or Atlassian JIRA • Experience administering and configuring Windows Server 2012 R2 or higher Clearance/Citizenship: • Secret • Must be US Citizen This position will involve less than 10% travel Location: Remote