Linux/VMWare System Administrator

Principal Linux/VMWare System Administrator collaborates with a diverse team to support exciting, critical programs with classified information system capabilities. Success in this role means you will be responsible for monitoring and maintaining system health and security posture, directly supporting customer mission-critical capabilities. You will work closely with program developers and system engineers to research issues, determine root causes and implement solutions to system problems. This position is an 8x5 position with after-hours call-in responsibility. This position is 100% onsite in Stennis, MS.

Duties and Responsibilities include:
• Performs software application maintenance on mission systems running a variety of operating systems to include Linux, Windows, and VMWare
• Performs routine and preventative maintenance such as general computer tasks, application loads, disk utilization, system loading and system monitoring
• Detects, isolates, documents, quickly reports, and resolves system outages, or problems encountered during operations of the operational system baseline, which includes the collections of diagnostic data, restoring the system operation, development of workarounds, and other activities necessary for recovery of a system
Accurately document problems in logging and discrepancy reporting tools
• Collect data describing the environment at the time of the failure and perform other activities in support of Tier 3 maintenance provider DR investigation and resolution
• Perform system monitoring, analyze and document performance and conduct trend analyses as required
• Also support system engineering groups as required for ongoing analysis and integration efforts
• Environment fluctuates between routine and urgent, depending on ongoing tasks, priorities, and performance of assigned systems
• Works directly with the customer in most aspects of the day-to-day activities

This position requires a BS Degree in a related technical discipline and minimum 6 years' experience OR 14 years of equivalent experience in lieu of a degree.

Required Skills:
• Must have an active DoD 8570 IAT Level 2 certification (or higher) or acquire one within 30 days of start date. Inability to meet this certification requirement within that timeframe may result in termination with Raytheon Technologies. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND.
• A minimum 6+ years of experience in VMWare or Linux Systems Administration working with customers in technical operations or engineering
• Experience configuring domain information utilities, such as Active Directory, Centrify, LDAP, and DNS
Strong background and experience troubleshooting and debugging applications
• Experience presenting technical information to customers, clients and/or internal audiences
• A thorough understanding of operating system concepts such as swapping and paging, inter-process communication, and devices and device drivers
• The ability to work effectively with frequent and direct customer interaction in a real-time operational environment
• The ability to work under pressure in restoring high-priority systems back to operations

Desired Skills:
• Ability to navigate, debug, and modify programs in an advanced programming language
• Ability to write PERL, python, and shell scripts
• Experience with storage products from Oracle/Sun/STK, EMC, IBM, NetApp, and/or DDN
• Experience with virtual / cloud computing technologies using Citrix, VMware, and Amazon Web Services (AWS)
• Working knowledge of thin-client technologies
• Experience designing, implementing, and troubleshooting Public Key Infrastructure (PKI)

Qualified applicants will be subject to a security investigation and must meet minimum qualifications for access to classified information. U.S. Citizenship and an active TS/SCI security clearance with CI polygraph are required.