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Senior Systems Administrator - RHEL

SAIC

Springfield, Virginia • Today

Full-time

USD 80,001.00 - 120,000.00 per year

Sr. Systems Administrator

BigBear.ai

Washington, District of Columbia • Today

Full-time

Senior Systems Administrator – Systems Quality Test Lead

GDH

Herndon, Virginia • 2d ago

Easy Apply

Third Party, Contract

Depends on Experience

Senior Systems Administrator

Source Infotech

Herndon, Virginia • 5d ago

Easy Apply

Full-time

60 - 65

Senior Classified Systems Administrator

The MITRE Corporation

McLean, Virginia • Today

Full-time

USD 129,200.00 - 161,500.00 per year

Senior Systems Administrator, IT Applications

tax.com

Remote or Hybrid in Manila, Metro Manila • 2d ago

Full-time

Senior Systems Administrator, IT Applications

tax.com

Remote or Hybrid in Hyderabad, Telangana • 2d ago

Full-time

Senior Systems Administrator

Goldbelt Inc

Fort Belvoir, Virginia • Today

Full-time

USD 115,000.00 - 155,000.00 per year

Senior Systems Administrator

Koniag, Inc.

Fort Belvoir, Virginia • Today

Full-time

Sr. Systems Administrator

Leidos

McLean, Virginia • Today

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Systems Administrator - COMSEC Specialist

Modern Technology Solutions

Washington, District of Columbia • Today

Full-time

USD 150,000.00 - 190,000.00 per year

Senior Systems Administrator

VTG

Chantilly, Virginia • Today

Full-time

Senior Systems Administrator/Engineer - Identity and Infrastructure

FINRA - Financial Industry Regulatory Authority

Rockville, Maryland • Today

Full-time

USD 112,300.00 - 202,500.00 per year

Senior Systems Administrator - TS/SCI with Polygraph

General Dynamics

Reston, Virginia • Today

Full-time

USD 165,750.00 - 224,250.00 per year

Senior Systems Administrator

Legrand North America

Remote or Hartford, Connecticut • Today

Full-time

Senior Cisco Systems Administrator

Invictus International Consulting

Alexandria, Virginia • Today

Full-time

USD 100,000.00 - 115,000.00 per year

Senior IT Systems Administrator (Azure Windows Admin)

CHAOS Industries

Washington, District of Columbia • Today

Full-time

USD 140,000.00 - 200,000.00 per year

Senior AWS Windows Systems Administrator

VTG

Springfield, Virginia • Today

Full-time

Senior Nlyte DCIM Systems Administrator - TS/SCI with Polygraph

General Dynamics

Chantilly, Virginia • Today

Full-time

USD 140,250.00 - 189,750.00 per year

Systems Administrator, Senior- Red Hat Linux & Windows (Top Secret w/SCI eligibility)

American Systems Corporation

Washington, District of Columbia • Today

Full-time

USD 150,000.00 per year

Systems Administrator - Senior

Accenture LLP

Chantilly, Virginia • Today

Full-time

USD 94,000.00 - 187,600.00 per year

Systems Administrator, Senior | Top Secret clearance w/SCI eligibility

American Systems Corporation

Chantilly, Virginia • Today

Full-time

USD 130,000.00 per year

Senior Learning Systems Administrator

US Venture, Inc.

Remote or Dallas, Texas • Today

Full-time

Senior IT Systems Administrator

Circles Inc.

Remote or New York, New York • Today

Full-time

USD 112,500.00 - 134,167.00 per year

Senior Revenue Systems Administrator

Wiz, Inc.

Remote • Today

Full-time

USD 138,000.00 - 189,000.00 per year

ArcGIS Enterprise Platform Specialist / Senior GIS Systems Administrator

UNIVERSAL Technologies

Remote • 5d ago

Easy Apply

Contract, Third Party

Depends on Experience

ArcGIS Enterprise Platform Specialist / Senior GIS Systems Administrator/ ETL & Development

Eclaro

Remote • 6d ago

Easy Apply

Contract

Depends on Experience

Classified Systems Administrator, IV (DC)

RAND

Hybrid in Washington, District of Columbia • Today

Full-time

USD 120,900.00 - 184,500.00 per year

Systems Administrator - VMware & Virtualization | Top Secret w/SCI eligibility

American Systems Corporation

Arlington, Virginia • Today

Full-time

USD 110,000.00 per year

Systems Administrator

A3T (Agil3 Technology Solutions)

Quantico, Virginia • Today

Full-time

USD 100,000.00 - 120,000.00 per year

SAIC

Job Details

Skills

System Administration
Hardening
STIG
Network
Interfaces
Disaster Recovery
Auditing
Collaboration
Microsoft Windows Server
Microsoft Operating Systems
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
Risk Management Framework
RMF
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 Windows Server
Microsoft Operating Systems
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
Risk Management Framework
RMF
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 5 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

Fitment

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Job Details

Skills

System Administration
Hardening
STIG
Network
Interfaces
Disaster Recovery
Auditing
Collaboration
Microsoft Windows Server
Microsoft Operating Systems
HCI
Standard Operating Procedure
Evaluation
CompTIA
Security+
GSEC
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SSCP
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Red Hat Enterprise Linux
Provisioning
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
DNS
VLAN
Load Balancing
Linux
Regulatory Compliance
Risk Management Framework
RMF
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Storage
Backup
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Servers
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FOCUS

System Administration
Hardening
STIG
Network
Interfaces
Disaster Recovery
Auditing
Collaboration
Microsoft Windows Server
Microsoft Operating Systems
HCI
Standard Operating Procedure
Evaluation
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Security+
GSEC
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SSCP
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Red Hat Enterprise Linux
Provisioning
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Ansible
Puppet
Progress Chef
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Bash
Python
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High Availability
Clustering
Splunk
SolarWinds
Grafana
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Virtualization
VMware vSphere
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TCP/IP
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FOCUS

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 5 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

Never miss an opportunity! Create an alert based on the job you applied for.

Similar Jobs

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