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Senior Systems Administrator (CS2, Linux, ElasticSearch, MongoDB)

CoSolutions, Inc. is looking to hire a Senior Systems Administrator (CS2, Linux, ElasticSearch, MongoDB) in Reston, VA to support Intelligence Community agency.


  • Primary responsibility is the maintenance of a large ElasticSearch/MongDB cluster running on Linux on multiple domains, along with the Java application and web services.

One system is running in the Cloud - the other is running on physical hardware but will migrate to the Cloud later this year. The system indexes millions of documents with hundreds more coming in every day. The application and web services support mission critical interfaces. This position requires strong skillsets administering Linux, ElasticSearch (cluster), MongoDB (cluster), working in a Cloud (AWS) infrastructure, and monitoring and resolving application or component issues. Will also require the ability to stand up a new environment in AWS and migrate the production system to it.

  • Must maintain Dev, Test, and Production environments.
  • Will also serve as a backup Sysadmin to other Linux systems.
  • TS/SCI with CI Poly required
  • Security+ CE or higher certification (such as CASP or CISSP) required
  • Recent experience in the listed technologies required.
  • AWS skills required.
  • Excellent troubleshooting/problem solving skills required.
  • This position is fully funded and immediately available.

Virtualization - monitoring or supporting virtual servers and desktops using Citrix and VMWare.
Imagery libraries and imagery exploitation systems - Troubleshooting imagery flow, systems interfaces, availability of images and throughput of imagery systems.

Clearance:  Active DoD/IC TS/SCI clearance.  CI Poly preferred.  Candidates must undergo and maintain a CI Poly for this position.
Education: B.S. (in Computer Science or Technology field preferred).
Certifications: Minimum DoD-8570 IAT Level II (CCNA-Security, CySA+, GICSP, GSEC, Security+CE, SSCP) or higher IAT III (such as CASP or CISSP) certification required
Experience: 8+ yrs relevant experience

Alternate Minimum Education Experience

  • High School diploma/GED with 12 years of experience
  • Associates degree with 10 years of experience
  • Bachelors degree with 8 years of experience
  • Masters degree with 6 years of experience
  • PhD with 4 years of experience. 

Skills & tasks: Exceptionally Complex, Inter- Discipline, Inter-Organizational. Can perform tasks of senior level technicians, specialists, and or managers not performed at Level 3 due to the size and/or complexity of the tasks. 

Individual Work/Teamwork or Leadership/Management: Leadership/ Management - May work individually or as a key member of a senior leadership team. Oversees and monitors performance across several disciplines, and when required, takes steps to resolve issues 

Guidance: Provides expert guidance and direction to Government and Vendor senior level technicians and managers. Directs multiple contractor and subcontractors teams through to project completion.

Physical Requirements:
Ability to sit for extended periods of time.
Ability to stand for extended periods of time.
Ability to walk to various locations as needed.
Ability to bend and navigate to perform assigned duties.
Ability to travel by all forms of transportation up to 15% of time.
Ability to lift light to moderate equipment as needed for job.

Company Name:
Security Clearance:
Top Secret / SCI + CI Poly
Reston, Virginia
United States
Not Specified
Job Number:

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