Cloud System Administrator with Security Clearance

Description:
CTI is seeking an experienced TS/SCI polygraph cleared Cloud Systems Administrator to join our team in the Annapolis Junction area. The day-to-day:
As a Cloud Systems Administrator, you will work in a cloud environment platform, built with Java on Free and Open-Source Software products including Kubernetes, Hadoop and Accumulo, to enable the execution of data-intensive analytics on a managed infrastructure. Your responsibilities will be to ensure day-to-day operations stability, provide customer support and provide knowledge in technical and troubleshooting repair expertise. The qualifications (required):
Must be a US Citizen
Must have TS/SCI clearance w/ active polygraph
This position is open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to the position applying:
o Level 03 requires a minimum eight (08) years of experience
o Level 02 requires a minimum four (04) years of experience
o Level 01 requires a minimum two (02) years of experience
Hadoop/Cloud System Administrator Certification or comparable Cloud System/Service Certification is required.
Experience is required in system administration and monitoring large distributed system consisting of: multiple clusters; clustering implemented across at least 3 racks of equipment; minimum of 60 nodes per site.
Experience diagnosing and troubleshooting large scale cloud computing systems including familiarity with distributed systems for storage and retrieval of data e.g. Hadoop, CASSANDRA, SCALITY, SWIFT, Gluster, Lustre, GPFS, Amazon S3, or another other comparable technology for big data management or High performance computing.
Ability to work within a pre-defined mission focused team structure, follow SOP's, communicate effectively, accept constructive feedback, and receive technical guidance and advice from senior level technical resources.
Willingness to learn new technologies and leverage senior level resources to expand current technical foundation using team structure.
Work independently on complex tasks, show a willingness to educate and train more junior technical resources.
Ability to plan, communicate, lead, and oversee complex technical tasks requiring interaction with multiple groups.
Three (03) years experience writing software scripts using scripting languages including bash, perl, or python.
Five (05) years experience demonstrating a fundamental understanding and working knowledge of core components of the Linux operating system including the management of user and group accounts in LDAP configuration of DHCP, DNS, and TFTP.
Demonstrated experience with configuration management tools including Puppet and SALT
Understanding of the end-to-end Linux PXE/Network provisioning process to include familiarity with Anaconda Kickstart configurations, RAID controller utilities, TFTP images, and disk detect scripts.
Experience accessing and troubleshooting systems via remote utilities to perform hardware diagnosis and repair including VNC, serial over LAN interfaces, and IPMI, BIOS-level configuration.
Understanding of overall corporate architecture as well as familiarity with openSSL and Java keystore manipulation.
Experience troubleshooting commodity hardware platforms including previous experiences with SGI/HP hardware including SGI's J series. The nice-to-haves (desired, not required):
A Bachelor's Degree in Engineering, Systems Engineering, Computer Science, Mathematics is highly desired and will be considered equivalent to two (2) years of experience. Advanced knowledge of SSH tunneling and protocols including the implementation of dynamic SOCKS proxies as well as other ssh-based utilities, including rysn, pdsh, pdcp, and WinSCP.
Basic understanding of low-level network concepts including vlans, port channel bonding and layer2/layer 3 switch interactions.
Familiarity with software load balancers for large scale webservice implementations including haproxy and nginx
Experience with Kubernetes orchestration services and Docker images.
Experience with log aggregation and search tools including ElasticSearch, logstatsh, filebeats, Grafana, and rsyslog