Linux Systems Administrator w/Active TS/SCI Clearance

Job opening ID

Posting title
Linux Systems Administrator w/Active TS/SCI Clearance

Roles and responsibilities
18 month contract position
W2 with full benefits
5/40 Work Schedule

Job Description:
The Systems Administrator is responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This individual also participates in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems, software systems, and related procedures adhere to organizational values and sponsor and cyber-security requirements. Candidates must be self-starters and be able to solve complex problems with minimal supervision.

Responsibilities include:
•Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems to include but not limited to:
o Linux servers
o Network devices and management tools
o System Preventive Maintenance of Storage environments.
•Manage the IT system infrastructure and any processes related to these systems.  •Establishes network specifications by conferring with users; analyzing workflow, access, information, and security requirements; designing router administration, including interface configuration and routing protocols.
•Establishes network by evaluating network performance issues including availability, utilization, configuration, and testing of equipment; defining network policies and procedures; establishing connections and firewalls.
•Maintains network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems; escalating problems to vendor.  •Secures network by developing network access, monitoring, control, and evaluation; maintaining documentation.
•Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, etc.
•Provide Tier 2/3 (Escalation) problem identification, diagnosis and resolution of problems. •Assist as needed with Tier 1 (Help Desk) and provide mentoring and leadership for Tier 1 staff.
•Configure and manage server Linux operating systems and install/load operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.

Required Skills:
•Must be a US Citizen or Green Card Holder
•Offer contingent on ability to successfully pass a background check and drug screen
•Bachelor’s degree in a technical discipline from an accredited college or university is preferred. 4-6 years systems administration experience in mid-to-large environments.
•Have extensive experience supporting users Linux Workstations and Servers.
•Have extensive experience working in heterogeneous computing environments. (i.e. Linux, Windows, Macintosh)
•Excellent understanding of modern DevOps technologies, methodologies, and processes.
•Experience with configuration management tools is a plus
•Experience with the following: Openstack or similar, LAMP stack, Python or Ruby, Sensu or Nagios, Logstash (ELK), F5 products, Docker, MySQL or MongoDB.
•Working knowledge of Continuous Delivery / Release Automation models.
•Unwillingness to let technical problems go unsolved.
•Experience with storage administration and protocols (e.g., NetApp, EMC, iSCSI, FC, NFS).
•Experience with monitoring (e.g., Nagios, Solarwinds, New Relic, Ganglia, Grafana, PagerDuty); version control (e.g., Git, Subversion); syslog; Splunk; backups.
•Strong technical background in TCP/IP, DNS, HTTP, SSL/TLS, SSH, clustering/load balancing, AD/LDAP integration.
•Have experience with installing and configuring Windows and Linux servers and workstations for both development and operational environments (Windows Server 2008+, Linux RHEL7+)
•Have the ability to juggle multiple responsibilities effectively.
•Have excellent communication skills, both written and verbal.
•Have used or worked in environments employing configuration management and/or configuration control measures.
•Able to write detailed instructions and documentation regarding systems administration activities.
•Candidate may be required to respond to after-hours requests as required in a 24 x 7 environment.

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