Technology Resource Experts, LLC is looking for an experienced Linux System Administrator to join their rapidly growing team!

Description
We are seeking HPC Systems Administrators to support a large client-server based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. Oversee servers running Red Hat, CentOS, SolarisX64, SuSe, Virtual Appliances, with direct attached and FC SAN storage. Perform Microsoft Exchange Policy management, mailbox management, enterprise-level, multi-site design and architecture
Support Tier 3 Infrastructure services such as: DNS, NIS, Active Directory, Centrify, Zenoss, SiteScope, HP Openview, HP Oneview, HPSA, HPSE, SPLUNK, Sendmail, Exchange, NetQoS, Infoblox, Nagios, HP Cluster Management. Install, configure, tune and troubleshoot multi-vendor servers running numerous COTS, open source and in-house applications

Skill Requirements

• Servers running Red Hat, CentOS, SolarisX64, SuSe, Virtual Appliances, with direct attached and FC SAN storage
• Large SPU, memory SMP systems and clusters with many cores
• Enterprise client server configurations (Group Policy, Centrify, DNS, LDAP
• Linux Scripting (Bash, Perl etc)
• Linux Logical Volume Management (LVM)
• Distributed Filesystems
• Configuration Management tools
• Experience troubleshooting PXE and DHCP boot process.
• Multi-vendor filesystems such as XFS, GPFS, and CXFS, EXT4, CIFS, NFSClustered Blade systems and associated interconnects (iSCSI, SAD, FC, TCP/IP, etc.)
• Advanced Red Hat/CentOS and Microsoft Windows Operating System (including Group Policy management)
• Microsoft Exchange policy management, mailbox management, enterprise-level multi-site design and architecture
• Enterprise Active Directory/Centrify Zone management (creation, update, RBAC)
• Tier 3 Infrastructure support for services such as DNS, NIS, Active Directory, Centrify, Zenoss, SiteScope, HP Openview, HP Oneview, HPSA, HPSE, SPLUNK, Sendmail, Exchange, NetQoS, Infoblox, Nagios, HP Cluster Management
• Thin client solutions based on Virtual bridges and Centrix, VPN
• NoMachine NX Virtual Desktop management
• Experience with Enterprise Virtualization products; VMWare, vSphere, vCenter, vRealize Automation, vSAN
• vSwitch, Distributed Switch, Console management
• OpenShift, Docker, Kubernetes

Qualifications
An active Top Secret clearance is required. 
Security+ certification is required.

Candidates shall have a Bachelor’s Degree in Computer Science or related field and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.

Or the individual shall have five (5) years of full time computer science work that can be substituted for the Bachelor’s Degree, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.

Technology Resource Experts, LLC offers the very best compensation packages and the flexibility to let our employees decide what’s most important to them. No vesting schedule, no annual requirements for perks — we believe you should have the freedom to choose the benefits that work best in your life.

Employee Freedom of Choice
Our focus is on people first. We offer comprehensive and flexible compensation packages that match the best the industry has to offer and can be customized to fit your needs.

Our Benefits:

• 100% company-paid health, dental, and vision premiums
• Automatic company contributed Health Savings Account (HSA) up to $3,200 for families
• Up to 7 weeks of Paid Time Off (PTO) with no accrual 
• Automatic 401k Investment
• Paid 11 Federal Holidays
• BlueCross BlueShield Health Insurance
• Tuition/Training Reimbursement
• Access to Ravens season tickets in club level
• Company-paid golf events for your time and course fees