Cloud System Administrator

4 weeks ago

Annapolis, Maryland, United States Data Computer Corp of America Full time
Job Summary

DCCA is a veteran-owned IT business providing innovative solutions to government agencies and commercial enterprises since 1982. We offer career growth opportunities and a competitive compensation and benefits package.

Key Responsibilities
  • Provide support for implementation and troubleshooting of large clusters
  • Work within a pre-defined mission-focused team structure, follow SOPs, communicate effectively, and receive technical guidance and advice from senior-level technical resources
  • Learn new technologies and leverage senior-level resources to expand the current technical foundation using team structure
  • Manage user and group accounts in LDAP, configure DHCP, DNS, and TFTP, and demonstrate a fundamental understanding and working knowledge of core components of the Linux operation system
  • Diagnose and troubleshoot large-scale cloud computing systems, including familiarity with distributed systems such as Hadoop, CASSANDRA, SCALITY, SWIFT, Gluster, Lustre, GPFS, Amazon S3, or another comparable technology for big data management or High-performance computing
Requirements
  • Two years of experience writing software scripts using scripting languages, including bash, perl, or python
  • Three years of experience demonstrating a fundamental understanding and working knowledge of core components of the Linux operation system
  • Demonstrated experience with configuration management tools, including Puppet and SALT
  • Bachelor's Degree in Engineering, Systems Engineering, Computer Science, or Mathematics is highly desired and will be considered equivalent to two years of experience
  • Hadoop/Cloud System Administrator Certification or comparable Cloud System/Service Certification is desired
Desired Skills
  • Experience diagnosing and troubleshooting large-scale cloud computing systems, including familiarity with distributed systems such as Hadoop, CASSANDRA, SCALITY, SWIFT, Gluster, Lustre, GPFS, Amazon S3, or another comparable technology for big data management or High-performance computing
  • Demonstrated ability to work independently on complex tasks, and show a willingness to educate and train more junior technical resources
  • Demonstrated ability to plan, communicate, lead and oversee complex technical tasks requiring interaction with multiple groups
  • 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
  • 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
  • Basic understanding of low-level network concepts, including vlans, port channel bonding and layer2/layer 3 switch interactions
  • Experience troubleshooting commodity hardware platforms, including previous experiences with SGI/HP hardware including SGI's J series
  • 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
About DCCA

DCCA is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, protected veteran status, or disability status.

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