System Administrator

USA-MD-Annapolis Junction
3 months ago
Job ID
# Positions
Hiring Company
GDMS - Legacy GDAIS Rate Structure

Basic Qualifications

Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 8 years of relevant experience; or Master's degree plus 6 years of relevant experience.


Qualifications from the SOW Labor Category:


Ten (10) years experience as a System Administrator in programs of similar scope, type and complexity is required. Bachelor's degree in a technical discipline from am accredited college or univeristy is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree.


Other Requirements Needed from Labor Category:


  • Minimum of ten (10) years’ experience with either UNIX or Windows System Administration, to include user account administration, installation and configuration of workstations and peripherals, kernel parameter and disk partition modification, client-server support, software and hardware upgrades, troubleshooting, and shell script programming.
  • Minimum of ten (10) years’ experience with Network Information Service (NIS), Network File System (NFS), Domain Name System (DNS), and Lightweight Directory Access Protocol (LDAP).
  • Minimum of ten (10) years’ experience with system administration for Linux/Redhat 5, CentOS 6 and Windows 7. 10
  • Microsoft Certified Systems Administrator (MSCA) or Redhat Certified Technician (RHCT) certification is highly desirable and can substitute for one (1) year experience
  • One of the following certifications is desirable: A+, Network+, or System Security Certified Practitioner (SSCP)

Preferred Skills:

  • Familiarity with Microservices, Linux Containers (Docker), CEPH and Kafka
  • Hands-on Hardware and Software installation, configuration, maintenance and troubleshooting to include COTS, GOTS, and FOSS
  • Virtualization/Cloud Experience
  • Backup/restore hardware, software, processes, implementation including familiarity with COOP methodologies
  • Cisco Switching, Routing and Troubleshooting Experience
  • Familiarity with Microservices
  • Familiarity with Agency software process, inventory, and security plans (SSP’s)
  • Experience supporting Application and Database servers
  • Knowledge of Configuration Management build process


Department of Defense TS/SCI security clearance with a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

General Dynamics Mission Systems has an immediate opening for a System Administrator. This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation’s core defense/intelligence services and systems.  General Dynamics Mission Systems employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions.



  • Responsible for managing the functionality and efficiency of a group of computers running on one or more operating systems
  • Maintains the integrity and security of servers and systems 
  • Serves as a front line interface to users with technical issues 
  • Makes recommendations for hardware and software purchase
  • Interacts with third-party technology vendors and internal database staff
  • Conducts systems analysis and development to keep systems current with changing technologies 
  • Duties may include installing new software, troubleshooting, granting permissions to applications and training users 
  • The Server System Administrator is responsible for the day-to-day support of Server services
  • Performs Server administration for Server Operating Systems
  • Performs administration of physical and virtualized servers
  • Responsible for the configuration, maintenance and troubleshooting of physical and virtual hardware
  • Configures, maintains and troubleshoots network related interfaces on servers
  • Performs OS and vendor software patching on servers
  • Monitors Physical and Virtual Servers performance using monitoring tools 
  • Performs, maintains, troubleshoots and does analysis of alerts on Servers
  • Creates scripts to automate repetitive processes 
  • Work with customers to identify, isolate, and resolve problems with Servers that are effecting other services
  • Contributes and executes plans, designs, and implements necessary configurations to ensure compliance with back-up and disaster recovery policies, procedures for servers
  • Executes and maintains Security Compliancy processes and policies
  • Develops and maintains Server related standards, policies, and procedures
  • Mentor team in the technology to allow them to be more knowledgably and self-sufficient
  • Reviews and analyzes performance metrics in order to optimize environment for efficiencies
  • Implements administration of physical and virtualized servers using industry standard technologies 
  • Implements administration of servers in lab environments that are physical and virtualized using industry standard technologies
  • Researches and troubleshoots Server technical issues and communicates status to Server team and stakeholders
  • Leads medium sized continuous process improvement efforts 


  • Frequently contributes to the development of new theories and methods
  • Employs expertise as a generalist or specialist
  • Develops resolutions to complex problems that require the frequent use of creativity
  • Uses judgment within broadly defined policies and practices
  • Work is accomplished without considerable direction
  • Exerts significant latitude in determining objectives of assignment
  • Represents the organization as the principal customer contact and generally performs in a program/project leadership role
  • Interacts with management and senior customer personnel on matters requiring coordination across organizational lines
  • Requires an advanced understanding of Server based operating systems
  • As the Subject Matter Expert have the ability to mentor others on administrating the server environment 
  • Demonstrated ability to communicate effectively orally and in writing with non-technical, technical audiences, and IT leadership
  • Demonstrated ability to work collaboratively and effectively with a wide range of individuals including technical and non-technical staff, and IT leadership
  • Ability to work individually or collaboratively as part of a high-performance team
  • Superior analytical and problem solving skills
  • Demonstrated ability to develop, implement and lead team plans for upgrades and system enhancements
  • Demonstrated ability to write policies, procedures, and create system documentation
  • Enhanced troubleshooting skills within the Server OS as well as both networking and storage technologies
  • Must have hands-on experience developing, deploying and supporting large-scale enterprise server solutions 
  • Ensures infrastructure is reliable, flexible, integrated and anticipates future needs 
  • Takes ownership of getting project deliverables done on schedule and within budget
  • Leadership ability to effectively motivate, guide and influence others to successful outcomes
  • Shows initiative on assignments, exercises independent judgment and professionally executes projects with little direction
  • Skilled at executing complex tasks
  • Ability to demonstrate good judgment when taking calculated risks individually or for the team
  • Able to anticipate problems and take appropriate preventative actions
  • Utilizes skill set to help more inexperienced team members to be more agile 
  • Advanced level of experience in multiple IT fields, applications and domains
  • Plans and executes small sized technical projects
  • Has a broad understanding of the interrelationships within the IT environment with focus on Server and services
  • Advanced knowledge of Physical and Virtual Server support
  • Advanced knowledge of access, permissions and security that gives the clients the access to the data they need to perform their daily activities
  • Elevate more complex issues


The System Administrator will have the opportunity to work with the following:


Tools: Maven, Git, Subversion, Jenkins, Sonar, Eclipse, Nexus, JIRA, Bitbucket, Confluence, Bamboo, Failsafe, Crucible, Robot Framework


Technologies: Java 8, Spring, Spring Integration, Spring Boot, Spring Cloud, Microservices, Docker, Kafka, Hadoop, Accumulo, MapReduce, AngularJS, ExtJSJavaScript, Cassandra, Seph, Google Web Toolkit (GWT), Java Message Service (JMS), Hibernate, JUnit, Mockito, Tomcat, Quartz, Python, Linux


Databases: PostgreSQL, Sybase IQ (Data Warehouse), HDFS, Cassandra






Company Overview

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.  With a global team of 13,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas.  Given the nature of our work and who we are, we value trust, honesty, alignment and transparency.  We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose.  You will also enjoy a flexible work environment where contributions are recognized and rewarded.  If who we are and what we do resonates with you, we invite you to join our high performance team!


General Dynamics is an Equal Opportunity/Affirmative Action Employer that is committed to hiring a diverse and talented workforce.  EOE/Disability/Veteran


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