Senior Linux System Administrator

About the position

$10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software. * Classified work and must be on-site * Environment is 80% or more Linux/UNIX and 20% or less Windows with 600+ Physical and virtual servers covering various levels of very complex classified systems and networks. * Responsible for performing in-depth analysis and technical support of systems, including complex problem resolution, design, development, testing, operational integration, and user support. * Provide operating systems planning and evaluation for performance analysis, capacity planning and hardware upgrades. * Provide specialized expertise within multiple IT systems such as: Windows 2016/2019 server, Red Hat Enterprise Linux, VMWare hypervisor, VMWare Horizon, as well as general knowledge of related disciplines. This would include performing installation, administration, troubleshooting and support of server operating systems/services, storage, and Data Center solutions. * Oversee the implementation of system specifications; integration, testing, and documentation are a key part of the role. * Exhibit strong technical skills as they relate to numerous systems and storage technologies including but not limited to: Windows Server 2016/2019, Microsoft SQL Server, DC's/DNS, DFS, Active Directory, Group Policy Management, DHCP, IIS, VMware ESXi 7, NetApp ONTAP, Cisco UCS/Nexus, ACAS , SCCM, Hyper-V. * Responsible for performing in-depth analysis and technical support of systems, including complex problem resolution, design, development, testing, operational integration, and user support. * Provide operating systems planning and evaluation for performance analysis, capacity planning and hardware upgrades. * Core Systems: Domain Controllers, Linux servers, DNS, VMware, HPE Blade System, Storage switches * Supplemental Systems / Software: SQL, Backups, DHCP, Puppet, Ansible, Share/NFTS permissions, DFS, CIFS, NFS, NETAPP, Red Hat Enterprise Linux 7, Red Hat Clustering * System administration and IT certification in Linux, Microsoft, or other network related fields required * Working knowledge of Administration and maintenance of Bare Metal hypervisors (VMWare, XenServer, Hyper-V, etc.) * Working knowledge of Administration and maintenance of configuration management / automation tools (Ansible, Puppet, Chef, etc.) * Working knowledge of Administration and maintenance of Unix/Linux Operating System * Working knowledge of SAN storage configuration and maintenance * Working knowledge of Basic enterprise networking configuration and maintenance; routing, redistribution, ACLs, NAT, VPN, Layer 2/3 switching, monitoring solutions (SolarWinds/Splunk), encryption devices (KG175, KG250, etc)

Responsibilities

• Maintain an organization's computer systems' workflows.
• Responsible for the upkeep, configuration, and reliable operation of computer systems.
• Fix network issues and update equipment and software.
• Perform in-depth analysis and technical support of systems.
• Provide operating systems planning and evaluation for performance analysis, capacity planning, and hardware upgrades.
• Provide specialized expertise within multiple IT systems.
• Oversee the implementation of system specifications, integration, testing, and documentation.
• Exhibit strong technical skills related to numerous systems and storage technologies.

Requirements

• 8+ years of related experience.
• Must have a Top Secret-SCI security clearance.
• Hands-on experience with systems and technology.
• 10+ years working in a Linux or Windows Environment.
• Experience with troubleshooting and issue resolution principles.
• Basic knowledge of Oracle and SQL database management.
• Advanced knowledge of virtualization, VMware or equivalent.
• Working knowledge of systems and networking software, hardware, and networking protocols.
• Strong knowledge of implementing and developing helpdesk and IT operations best practices.
• Experience with scripting and automation tools.

Nice-to-haves

• ITIL v3 Certification preferred.
• DoDI 8570.01m Certification required.

Benefits

• Medical plan options with Health Savings Accounts.
• Dental plan options.
• Vision plan.
• 401(k) plan with company match.
• Full flex work weeks.
• Paid time off plans including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• Short and long-term disability benefits.
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance.