System Administrator
System Administrator
Posted on :
07-05-2025
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1 Vacancy
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Monthly Salary
Not Disclosed
Salary Not Disclosed
Vacancy
1 Vacancy
Posted on :
07-05-2025
Job Description
Job Title: System Administrator (Onsite)
Location: Lexington MA
Job Type: W2 Contract
Background/Need:
The Group supports two enterprise classified networks for the Laboratory. The Secret Internet Protocol Router Network (SIPRNet) is a collateral secret network that Laboratory staff use to communicate with sponsors via email and video teleconferencing. To support SIPRNet at the Laboratory ISD maintains multiple SIPRNet hubs a Virtual Desktop Infrastructure (VDI) platform that is accessible from the hubs all of the backend network infrastructure for connectivity and several other ancillary services. The Group also supports the Enterprise Collateral Network. The goal of Collateral Network is to provide centralized services for any secret collateral network at the Laboratory that can take advantage of them. By centralizing these services the Laboratory reduces complexity and redundancy in the environment facilitates collaboration between the research staff and makes it easier to attain RMF compliance.
The Classified Linux Engineer is a member of the Classified Enterprise Services (CES) Team within ISD and they are critical to supporting both SIPR and ELCN. They are responsible for managing all aspects of our Linux infrastructure on both SIPR and ELCN. This includes building new virtual machines ensuring those virtual machines are STIG compliant and remediating any vulnerabilities that are found on those systems. In addition this individual is also responsible for managing our RedHat Satellite infrastructure in both environments. This includes importing updates from the unclassified network to both classified networks ensuring those updates are presented to the appropriate systems patching ISD systems and working with division resources to ensure their systems are patched. Without this role the ISD CES team would not be able to maintain the Linux infrastructure that is critical to both networks. Candidates with experience in VMware vSAN NetApp Cohesity Backup and/or Ansible will be given preference.
The Linux Systems Engineer will demonstrate a strong understanding of Linux operating systems including both workstation and server varieties while supporting the Laboratory s enterprise classified computing infrastructure. The ideal candidate will have a solid background with Linux to include the underlying systems and services that support them. These systems and services would include but are not limited to file sharing Satellite Ansible Automation Platform multifactor authentication disk encryption and patching. This candidate will also possess some background with DevSecOps concepts (artifact repository container registries scanning and platforms etc. and tools (Sonatype Nexus JFrog Artifactory Prisma Twistlock RHEL OpenShift etc. As part of this role the individual will need to demonstrate proficiency applying STIGs (full and benchmark) understand how to use DISA s SCC Tool and STIG Viewer and how to evaluate systems for STIG compliance.
Must Have:
Bachelors of Computer Science or relevant technical field of study.
7 years of experience supporting RHEL 7/8 workstation and server.
5 years of experience utilizing Satellite to support Linux systems.
5 years of experience with bash/shell Python and perl scripting.
Understanding of Linux troubleshooting to include the boot process Kickstart building systemd monitoring of system resources kernel tuning system performance. troubleshooting system calls and tracing.
Experience configuring storage for Linux systems (LVM file systems RAID storage encryption SAN NAS and NFS).
Package development and deployment (rpm yum dnf).
Strong overall network skills (package captures NIC latency tuning route tables and tracing subnetting firewall/iptable TCP/UDP/IP protocols).
Ability to work independently toward delivery of goals as well as collaborate in team efforts.
Excellent customer service skills.
Excellent presentation verbal and written communication skills.
Demonstrate the ability to learn new technologies and disciplines quickly.
Security certification or the ability to obtain it within 6 months of employment.
Nice to Have:
Experience utilizing Ansible Automation Platform to support Linux systems.
Experience supporting DevSecOps environments.
Experience supporting software deployment on Linux.
Experience supporting cloud infrastructure. Preferably in classified environments but public domain experience is also beneficial.
Experience with the Cyber Operational Readiness Assessment (CORA) process and maintaining an inspection ready environment.
Location: Lexington MA
Job Type: W2 Contract
Background/Need:
The Group supports two enterprise classified networks for the Laboratory. The Secret Internet Protocol Router Network (SIPRNet) is a collateral secret network that Laboratory staff use to communicate with sponsors via email and video teleconferencing. To support SIPRNet at the Laboratory ISD maintains multiple SIPRNet hubs a Virtual Desktop Infrastructure (VDI) platform that is accessible from the hubs all of the backend network infrastructure for connectivity and several other ancillary services. The Group also supports the Enterprise Collateral Network. The goal of Collateral Network is to provide centralized services for any secret collateral network at the Laboratory that can take advantage of them. By centralizing these services the Laboratory reduces complexity and redundancy in the environment facilitates collaboration between the research staff and makes it easier to attain RMF compliance.
The Classified Linux Engineer is a member of the Classified Enterprise Services (CES) Team within ISD and they are critical to supporting both SIPR and ELCN. They are responsible for managing all aspects of our Linux infrastructure on both SIPR and ELCN. This includes building new virtual machines ensuring those virtual machines are STIG compliant and remediating any vulnerabilities that are found on those systems. In addition this individual is also responsible for managing our RedHat Satellite infrastructure in both environments. This includes importing updates from the unclassified network to both classified networks ensuring those updates are presented to the appropriate systems patching ISD systems and working with division resources to ensure their systems are patched. Without this role the ISD CES team would not be able to maintain the Linux infrastructure that is critical to both networks. Candidates with experience in VMware vSAN NetApp Cohesity Backup and/or Ansible will be given preference.
The Linux Systems Engineer will demonstrate a strong understanding of Linux operating systems including both workstation and server varieties while supporting the Laboratory s enterprise classified computing infrastructure. The ideal candidate will have a solid background with Linux to include the underlying systems and services that support them. These systems and services would include but are not limited to file sharing Satellite Ansible Automation Platform multifactor authentication disk encryption and patching. This candidate will also possess some background with DevSecOps concepts (artifact repository container registries scanning and platforms etc. and tools (Sonatype Nexus JFrog Artifactory Prisma Twistlock RHEL OpenShift etc. As part of this role the individual will need to demonstrate proficiency applying STIGs (full and benchmark) understand how to use DISA s SCC Tool and STIG Viewer and how to evaluate systems for STIG compliance.
Must Have:
Bachelors of Computer Science or relevant technical field of study.
7 years of experience supporting RHEL 7/8 workstation and server.
5 years of experience utilizing Satellite to support Linux systems.
5 years of experience with bash/shell Python and perl scripting.
Understanding of Linux troubleshooting to include the boot process Kickstart building systemd monitoring of system resources kernel tuning system performance. troubleshooting system calls and tracing.
Experience configuring storage for Linux systems (LVM file systems RAID storage encryption SAN NAS and NFS).
Package development and deployment (rpm yum dnf).
Strong overall network skills (package captures NIC latency tuning route tables and tracing subnetting firewall/iptable TCP/UDP/IP protocols).
Ability to work independently toward delivery of goals as well as collaborate in team efforts.
Excellent customer service skills.
Excellent presentation verbal and written communication skills.
Demonstrate the ability to learn new technologies and disciplines quickly.
Security certification or the ability to obtain it within 6 months of employment.
Nice to Have:
Experience utilizing Ansible Automation Platform to support Linux systems.
Experience supporting DevSecOps environments.
Experience supporting software deployment on Linux.
Experience supporting cloud infrastructure. Preferably in classified environments but public domain experience is also beneficial.
Experience with the Cyber Operational Readiness Assessment (CORA) process and maintaining an inspection ready environment.
Education & Experience: Bachelors with 7 years of relevant work experience.
Work Authorization: US Citizenship is required due to the nature of the work.
Work Authorization: US Citizenship is required due to the nature of the work.
Employment Type
Full Time
Key Skills
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