Job Summary

SITEC Consulting seeks talent to support implementation and trouble shooting and maintenance on large Hadoop cloud clusters.

Primary Responsibilities

Early Career:

• Shall have demonstrated 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.
• Demonstrated willingness to learn new technologies and leverage senior level resources to expand current technical foundation using team structure.
• Shall have two (2) years' experience writing software scripts using scripting languages including bash, perl, or python.
• Shall have three (3) years' experience demonstrating a fundamental understanding and working knowledge of core components of the Linux operation 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

Intermediate Candidates:

• At least one (1) year of experience managing and monitoring large Hadoop clusters (>1000 nodes)
• Experience diagnosing and troubleshooting large scale cloud computing systems including familiarity with distributed systems for storage and retrieval of data g. Apache's Hadoop, Accumulo, CASSANDRA distributed databases, or SCALITY or SWIFT object stores.
• Demonstrated ability to work independently on complex tasks, 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.
• Shall have three (3) years' experience writing software scripts using scripting languages including bash, perl, or python.
• Shall have five (5) 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.
• 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.

Senior Level Career Candidates:

• Shall have at least three (3) years of experience managing and monitoring large distributed system(>1000 nodes)
• Demonstrated ability to plan, communicate, lead, and oversee complex technical tasks requiring interaction with multiple groups.
• Shall have five (5) years' experience writing software scripts using scripting languages including bash, perl, or python.
• Shall have seven (7) 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.
• Expert 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.
• Expert in troubleshooting commodity hardware platforms including previous experiences with SGI/HP hardware including SGI's J series.

Basic Qualifications

Early Career Candidates:

• Demonstrated 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.
• Demonstrated willingness to learn new technologies and leverage senior level resources to expand current technical foundation using team structure.
• Have two (2) years' experience writing software scripts using scripting languages including bash, perl, or python.
• Have three (3) years' experience demonstrating a fundamental understanding and working knowledge of core components of the Linux operation 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.
• The qualified applicant must be a US Citizen and possess an ACTIVE TS//SCI with poly clearance.
• Sponsorship is not available and expired clearances will not be considered.

Education Requirements

Early Career:

• 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.
• Hadoop/Cloud System Administrator Certification or comparable Cloud System/Service Certification is desired.

Intermediate Candidates:

• A Bachelor's degree in a technical field will be considered equivalent to two (2) years of experience.
• One (1) year experience is required.
• Hadoop/Cloud System Administrator Certification or comparable Cloud System/Service Certification is required.

Senior Level Career Candidates:

• Three (3) years' experience is 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.
• Hadoop/Cloud System Administrator Certification or comparable Cloud System/Service Certification is required.

Experience Requirements

"See above requirements"

Desired Competencies

Early Career

• Experience diagnosing and troubleshooting large scale cloud computing systems including familiarity with distributed systems g. Apache's Hadoop and Accumulo, CASSANDRA distributed databases, or SCALITY or SWIFT object stores.
• Demonstrated ability to work independently on complex tasks, 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.

Intermediate and Senior Career Level Candidates:

• Experience with Kubernetes orchestration services and Docker images.
• Experience with log aggregation and search tools including ElasticSearch, logstatsh, filebeats, Grafana, and rsyslog.

Other Duties Disclaimer

This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Other duties and responsibilities and activities may change or be assigned at any time with or without notice.ay change or be assigned at any time with or without notice.