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Senior Systems Administrator - RHEL

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USD 80,001.00 - 120,000.00 per year

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Senior Systems Administrator

VTG

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Senior Systems Administrator - TS/SCI with Polygraph

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Que Technology Group

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TekMasters, LLC

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Legrand North America

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Epic Certified Systems Administrator (ECSA) - Sr Systems Engineer

Johns Hopkins Health Care

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Invictus International Consulting

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Senior AWS Windows Systems Administrator

VTG

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Full-time

Senior Linux Systems Administrator - Quality Assurance

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Sr. Windows Systems Administrator TS/SCI Poly

Leidos

Annapolis, Maryland • Today

Full-time

USD 116,350.00 - 210,325.00 per year

SAIC

Job Details

Skills

System Administration
Hardening
STIG
Network
Interfaces
Disaster Recovery
Auditing
Collaboration
Microsoft Operating Systems
Microsoft Windows Server
HCI
Standard Operating Procedure
Evaluation
CompTIA
Security+
GSEC
System Security
SSCP
Computer Science
Management
Red Hat Enterprise Linux
Provisioning
Performance Tuning
Ansible
Puppet
Progress Chef
Scripting
Bash
Python
Windows PowerShell
High Availability
Clustering
Splunk
SolarWinds
Grafana
Nagios
Virtualization
VMware vSphere
Hyper-V
TCP/IP
Dragon NaturallySpeaking
DNS
VLAN
Load Balancing
Linux
Regulatory Compliance
RMF
Risk Management Framework
NIST 800-53
DoD
Cyber Security
Red Hat Linux
Red Hat Certified Engineer
NCP
VMware Certified Professional
VCP
Microsoft Azure
Amazon Web Services
Cloud Computing
Storage
Backup
ITIL
Service Management
Security Clearance
Microsoft Windows
Servers
Microsoft SQL Server
Database
Computer Networking
Information Technology
Systems Engineering
FOCUS

System Administration
Hardening
STIG
Network
Interfaces
Disaster Recovery
Auditing
Collaboration
Microsoft Operating Systems
Microsoft Windows Server
HCI
Standard Operating Procedure
Evaluation
CompTIA
Security+
GSEC
System Security
SSCP
Computer Science
Management
Red Hat Enterprise Linux
Provisioning
Performance Tuning
Ansible
Puppet
Progress Chef
Scripting
Bash
Python
Windows PowerShell
High Availability
Clustering
Splunk
SolarWinds
Grafana
Nagios
Virtualization
VMware vSphere
Hyper-V
TCP/IP
Dragon NaturallySpeaking
DNS
VLAN
Load Balancing
Linux
Regulatory Compliance
RMF
Risk Management Framework
NIST 800-53
DoD
Cyber Security
Red Hat Linux
Red Hat Certified Engineer
NCP
VMware Certified Professional
VCP
Microsoft Azure
Amazon Web Services
Cloud Computing
Storage
Backup
ITIL
Service Management
Security Clearance
Microsoft Windows
Servers
Microsoft SQL Server
Database
Computer Networking
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2618435

Location: Springfield, VA, US

Date Posted: 2026-10-26

Category: Information Technology

Subcategory: IT Systems Engineer

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: TS.SCI

Clearance Level Must Be Able to Obtain: TS/SCI with Poly

Potential for Remote Work: ORA_ON_SITE

Description

SAIC is seeking a highly motivated and experienced Senior Systems Administrator - RHEL to join our MAJESTIC Joint Program Office (JPO) Team in Springfield, VA. This individual will play an integral role in managing and optimizing mission-critical Red Hat Enterprise Linux (RHEL) systems in a hybrid IT enterprise environment.

The ideal candidate will have in-depth expertise in RHEL system administration, including configuration, maintenance, and performance optimization. Additionally, experience with virtualized environments and enterprise systems, including Windows Server and HCI solutions, is critical. The candidate will ensure system security, reliability, and efficiency while collaborating with cross-functional teams to support operations. This position requires on-site support in a high-security, fast-paced environment.

Key Responsibilities:

Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) systems, including patching, upgrades, tuning, and troubleshooting
Perform advanced system administration for virtualized environments, such as VMware vSphere or Nutanix AHV
Implement and enforce system hardening procedures for RHEL platforms to align with security and compliance requirements, including STIGs and NIST 800-53 guidelines
Automate regular administrative tasks using Bash, Python, or tools like Ansible
Monitor and optimize system performance, storage, and network interfaces using tools like Splunk, Nagios, SolarWinds, or Grafana
Perform disaster recovery (DR) and high availability (HA) operations on Linux-based and hybrid enterprise systems
Manage centralized logging and monitoring for Linux systems to ensure audit compliance and detect vulnerabilities
Collaborate with cross-functional teams to ensure smooth integration of RHEL systems with Windows Server, HCI technologies, and other enterprise IT environments
Document standard operating procedures (SOPs), configuration changes, topology maps, and troubleshooting guides
Support the evaluation of emerging RHEL and infrastructure technologies and recommend new solutions to enhance infrastructure performance and security

Qualifications

Required Qualifications:

Education:

High School Diploma/GED

Certifications (CWF Requirements):

Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 451 (System Administrator - Intermediate Level) requirements, as outlined by Navy COOL
This requirement can be met by possessing one or more of the following qualifying certifications:
CompTIA Cloud+
CompTIA Security+
GIAC Global Industrial Cyber Security Professional (GICSP)
GIAC Security Essentials Certification (GSEC)
Systems Security Certified Practitioner (SSCP)

OR This requirement can be met through:

A Bachelor's Degree in Cybersecurity, Computer Science, IT, or a related field

Experience:

1-3 years of professional experience managing and supporting enterprise-level IT environments

Technical Skills:

Expert in managing Red Hat Enterprise Linux (RHEL) systems, including provisioning, upgrades, system tuning, patching, and performance optimization
Strong experience in system automation with tools like Ansible, Puppet, or Chef as well as scripting in Bash, Python, or PowerShell
Familiarity with high availability (HA) concepts, including clustering for Linux environments
Proficiency in monitoring and diagnostics tools (e.g., Splunk, SolarWinds, Grafana, or Nagios)
Strong understanding of virtualization platforms, including VMware vSphere, Nutanix AHV, or Hyper-V
Knowledge of networking technologies and protocols, including TCP/IP, DNS, VLANs, and load balancing configurations for Linux systems
Experience supporting compliance with industry standards like RMF, NIST 800-53, and DoD cybersecurity guidelines

Preferred Certifications (In Addition to CWF Requirements):

Red Hat Certified Engineer (RHCE) certification (strongly preferred)
Nutanix Certified Professional (NCP) certification or VMware Certified Professional (VCP)
Familiarity with cloud platforms (e.g., Microsoft Azure, AWS) and hybrid cloud/hybrid IT implementations
Knowledge of storage technologies and backup solutions
ITIL v4 certifications for service management processes

Clearance Requirement:

Active TS/SCI clearance with the ability to obtain and maintain a TS/SCI with Poly

Work Environment and Notes:

On-Site Work: All work must be conducted on-site in Springfield, VA
Program Scope: Supports on-premises enterprise IT environments, including virtualized Windows servers, MS SQL Server databases, and networking layers
Subcontractor Role: Responsibilities and compensation vary based on the subcontract agreement, with a competitive salary aligned to market rates and role-specific requirements

Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2618435
Posted 7 days ago

Company Info

About SAIC

SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Go to company profile

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Job Details

Skills

System Administration
Hardening
STIG
Network
Interfaces
Disaster Recovery
Auditing
Collaboration
Microsoft Operating Systems
Microsoft Windows Server
HCI
Standard Operating Procedure
Evaluation
CompTIA
Security+
GSEC
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SSCP
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Management
Red Hat Enterprise Linux
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Performance Tuning
Ansible
Puppet
Progress Chef
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Bash
Python
Windows PowerShell
High Availability
Clustering
Splunk
SolarWinds
Grafana
Nagios
Virtualization
VMware vSphere
Hyper-V
TCP/IP
Dragon NaturallySpeaking
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Load Balancing
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Regulatory Compliance
RMF
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Microsoft Azure
Amazon Web Services
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Servers
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System Administration
Hardening
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Network
Interfaces
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HCI
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Evaluation
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Security+
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Puppet
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Summary

Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) systems, including patching, upgrades, tuning, and troubleshooting
Perform advanced system administration for virtualized environments, such as VMware vSphere or Nutanix AHV
Implement and enforce system hardening procedures for RHEL platforms to align with security and compliance requirements, including STIGs and NIST 800-53 guidelines
Automate regular administrative tasks using Bash, Python, or tools like Ansible
Monitor and optimize system performance, storage, and network interfaces using tools like Splunk, Nagios, SolarWinds, or Grafana
Perform disaster recovery (DR) and high availability (HA) operations on Linux-based and hybrid enterprise systems
Manage centralized logging and monitoring for Linux systems to ensure audit compliance and detect vulnerabilities
Collaborate with cross-functional teams to ensure smooth integration of RHEL systems with Windows Server, HCI technologies, and other enterprise IT environments
Document standard operating procedures (SOPs), configuration changes, topology maps, and troubleshooting guides
Support the evaluation of emerging RHEL and infrastructure technologies and recommend new solutions to enhance infrastructure performance and security

Qualifications

Required Qualifications:

Education:

High School Diploma/GED

Certifications (CWF Requirements):

Candidates must satisfy Cybersecurity Workforce Framework (CWF) ID 451 (System Administrator - Intermediate Level) requirements, as outlined by Navy COOL
This requirement can be met by possessing one or more of the following qualifying certifications:
CompTIA Cloud+
CompTIA Security+
GIAC Global Industrial Cyber Security Professional (GICSP)
GIAC Security Essentials Certification (GSEC)
Systems Security Certified Practitioner (SSCP)

OR This requirement can be met through:

A Bachelor's Degree in Cybersecurity, Computer Science, IT, or a related field

Experience:

1-3 years of professional experience managing and supporting enterprise-level IT environments

Technical Skills:

Expert in managing Red Hat Enterprise Linux (RHEL) systems, including provisioning, upgrades, system tuning, patching, and performance optimization
Strong experience in system automation with tools like Ansible, Puppet, or Chef as well as scripting in Bash, Python, or PowerShell
Familiarity with high availability (HA) concepts, including clustering for Linux environments
Proficiency in monitoring and diagnostics tools (e.g., Splunk, SolarWinds, Grafana, or Nagios)
Strong understanding of virtualization platforms, including VMware vSphere, Nutanix AHV, or Hyper-V
Knowledge of networking technologies and protocols, including TCP/IP, DNS, VLANs, and load balancing configurations for Linux systems
Experience supporting compliance with industry standards like RMF, NIST 800-53, and DoD cybersecurity guidelines

Preferred Certifications (In Addition to CWF Requirements):

Red Hat Certified Engineer (RHCE) certification (strongly preferred)
Nutanix Certified Professional (NCP) certification or VMware Certified Professional (VCP)
Familiarity with cloud platforms (e.g., Microsoft Azure, AWS) and hybrid cloud/hybrid IT implementations
Knowledge of storage technologies and backup solutions
ITIL v4 certifications for service management processes

Clearance Requirement:

Active TS/SCI clearance with the ability to obtain and maintain a TS/SCI with Poly

Work Environment and Notes:

On-Site Work: All work must be conducted on-site in Springfield, VA
Program Scope: Supports on-premises enterprise IT environments, including virtualized Windows servers, MS SQL Server databases, and networking layers
Subcontractor Role: Responsibilities and compensation vary based on the subcontract agreement, with a competitive salary aligned to market rates and role-specific requirements

Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Dice Id: 10111346
Position Id: 2618435
Posted 7 days ago

Company Info

About SAIC

Go to company profile

Fitment

Dice Job Match Score™

To see how well you match this job, please log in or create an account.

Once logged in, be sure to complete your profile to get the most accurate match score.

Create job alert

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