• Senior System Administrator

    Job Location USA-MD-Annapolis Junction
    Posted Date 2 months ago(12/5/2018 5:23 PM)
    Job ID
    Required Clearance
    TS/SCI with Polygraph
    Employment Type
    Full Time
    Hiring Company
    General Dynamics Mission Systems
  • Basic Qualifications


    Ten (10) years experience as a System Administrator in programs of similar scope, type and complexity is required


    Other Requirements Needed from Labor Category:

    • Minimum of ten (10) years’ experience with either UNIX or Windows System Administration, but atleast 5 of those 10 years should be in Linux, 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

    Education Requirements:

    Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 10 years of relevant experience; or Master's degree plus 8 years of relevant experience.


    Clearance Requirements:

    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.


    A discretionary sign-on bonus may be available for this position

    Responsibilities for this Position

    General Dynamics Mission Systems has an immediate opening for a Senior 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.


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

    Technologies: Microservices, Docker, Kafka, Cassandra, React, Java 8/9, Spring Boot/Cloud/Data, Redis, Postgres

    Tools: Maven, Node, Git, Sonar, Eclipse, Failsafe, Atlassian Jira (Bitbucket, Confluence, Bamboo, Crucible)



    • 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 purchases
    • 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
    • Server System Administrator is responsible for leading the day-to-day support of Server services, Operating Systems and physical & virtualized servers
    • Responsible for the configuration, maintenance and troubleshooting of physical and virtual hardware
    • Configures, maintains and troubleshoots network related interfaces on servers
    • Performs configuring, maintaining, troubleshooting and does analysis of alerts on Servers
    • Work with customers to identify, isolate, and resolve problems with Server that are effecting other services
    • Plans, designs, and implements necessary configurations to ensure compliance with back-up and disaster recovery policies and procedures for server systems
    • Lead automation efforts to reduce repetitive processes to streamline support
    • Creates, maintains and manages Disaster Recovery Plans for Physical and Virtual Servers
    • Mentors team in technology to allow them to be knowledgeable and self-sufficient
    • Work with manager in understanding and optimizing team performance
    • Advocates continuous process improvement 
    • Identify needs and investigates solutions of tools in providing enhanced support
    • Insures architecture is reliable, flexible, integrated and anticipates future needs anticipates future hardware/software needs to meet future business based on customer requirements
    • Leads reviews and analyzes performance metrics in order to optimize environment for efficiencies. Identifies additional improvement and performance metrics
    • Leads large sized continuous process improvement efforts 


    • Requires an Subject Matter Expert understanding of Server based operating systems
    • Applies advanced principles, theories, and concepts
    • Contributes to the development of innovative principles and ideas
    • Works on unusually complex problems and provides solutions that are highly creative
    • Uses independent judgment to accomplish objectives
    • Works under consultative direction toward predetermined long-range targets
    • Determines and pursues courses of action essential in obtaining desired outcomes
    • Serves as organization spokesperson on specialized projects or programs
    • Acts as prime leader on large programs/projects that affect the organizations long-term goals and objectives
    • As the Subject Matter Expert have the ability to mentor others on administrating the server environment 
    • 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 
    • Insures infrastructure is reliable, flexible, integrated and anticipates future needs
    • Shows initiative on assignments, exercises independent judgment and professionally executes projects with little direction
    • Utilizes skill set to help more inexperienced team members to be more agile 
    • Able to handle sensitive one-on-one conversations effectively and controversial issues with diplomacy and tact
    • Able to seeks solutions that benefit team objectives
    • Demonstrated ability to communicate effectively orally and in writing with non-technical, technical audiences, and IT leadership
    • Skilled at executing complex tasks
    • Able to anticipate problems and take appropriate preventative actions
    • Subject Matter Expert in multiple IT fields, applications and domains
    • Plans, executes and manages large sized technical projects
    • Proficient in multiple technologies, languages and/or systems
    • Ability to demonstrate ingenuity in creating opportunity in the face of risk
    • Expert knowledge able to configures, executes and maintains Security Compliancy processes and policies
    • Subject Matter Expert (SME) for Physical and Virtual Servers
    • Expert knowledge of access, permissions and security that gives the clients the access to the data they need to perform their daily activities
    • Able to handle all levels of support
    • Subject matter expert in researching and troubleshooting complex technical issues and communicates status to server team, manager, stakeholders and IT leadership




    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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