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Fulltime Linux Windows System Administrator Jobs in Charleston, SC

Atlas Tech

Senior Systems Engineer

North Charleston, SC · On-site

$99K - $136K/yr

Engineer, administer, and secure enterprise Windows and RHEL systems * Maintain and enforce ... Operating System Certificate (e.g., Linux+, Windows Server, CCNA, etc) * Experience supporting Navy ...

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Fulltime Linux Windows System Administrator information

See Charleston, SC salary details

$50.5K

$89.8K

$122.1K

How much do fulltime linux windows system administrator jobs pay per year?

As of Sep 7, 2026, the average yearly pay for fulltime linux windows system administrator in Charleston, SC is $89,798.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,900.00 and $103,400.00 per year, depending on experience, location, and employer.

What is the difference between Fulltime Linux Windows System Administrator vs Network Administrator?

AspectFulltime Linux Windows System AdministratorNetwork Administrator
CertificationsLinux/Windows certifications (e.g., CompTIA Linux+, Microsoft Certified)Network certifications (e.g., Cisco CCNA, CompTIA Network+)
Work EnvironmentServer management, OS configuration, troubleshooting on Linux/Windows serversNetwork infrastructure, routers, switches, firewalls
Primary ResponsibilitiesMaintain OS stability, user management, security patchesDesign, implement, and monitor network systems

While both roles involve IT infrastructure, the Fulltime Linux Windows System Administrator focuses on server and OS management, whereas the Network Administrator specializes in network hardware and connectivity. Both roles require technical certifications and are vital in maintaining organizational IT operations, but they differ in scope and daily tasks.

Are fulltime Linux Windows system administrators in demand?

Fulltime Linux and Windows system administrators are in high demand due to the ongoing need for managing and securing enterprise IT infrastructure. Skills in server management, scripting, virtualization, and certifications like CompTIA Linux+ or Microsoft Certified: Windows Server are often required. The role typically offers stable employment opportunities across various industries that rely on robust IT systems.

How much do fulltime Linux Windows system administrators make?

Fulltime Linux Windows system administrators typically earn between $60,000 and $100,000 annually, depending on experience, certifications, and location. Senior roles or those with specialized skills in cloud platforms or security can earn higher salaries. Compensation often includes benefits such as health insurance and paid time off.

What is the average salary of a fulltime Linux Windows system administrator?

The average salary for a full-time Linux Windows system administrator typically ranges from $60,000 to $90,000 annually, depending on experience, certifications, and location. Professionals with specialized skills in scripting, virtualization, or security may earn higher salaries, especially in enterprise environments.

What are popular job titles related to Fulltime Linux Windows System Administrator jobs in Charleston, SC?

For Fulltime Linux Windows System Administrator jobs in Charleston, SC, the most frequently searched job titles are:

What job categories do people searching Fulltime Linux Windows System Administrator jobs in Charleston, SC look for?

The top searched job categories for Fulltime Linux Windows System Administrator jobs in Charleston, SC are:

What cities near Charleston, SC are hiring for Fulltime Linux Windows System Administrator jobs?

Cities near Charleston, SC with the most Fulltime Linux Windows System Administrator job openings:

Fulltime Linux Windows System Administrator jobs near you
Infographic showing various Fulltime Linux Windows System Administrator job openings in Charleston, SC as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $89,798 per year, or $43.2 per hour.

System Administrator 3 - Charleston, SC

M.C. Dean, Inc

Charleston, SC • On-site

Full-time

Posted 14 days ago

Key responsibilities

  • Monitor, maintain, and test electronic security systems such as Physical Access Control, CCTV, and PSIM.

  • Configure, troubleshoot, and support the implementation and maintenance of IT systems and endpoint devices.

  • Perform system analysis, updates, patching, and develop technical documentation to ensure operational reliability.

M.C. Dean rating

7.8

Company rating: 7.8 out of 10

Based on 46 frontline employees who took The Breakroom Quiz

244th of 453 rated engineering

Job description

Overview
About M.C. Dean
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values-agility, expertise, and trust-we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
We are seeking a System Administrator 3 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets.
Responsibilities
What you'll do: In this role you will be working as part of a team to monitor, maintain, and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information Technology (IT) systems in support of the endpoint devices. The position provides Tier 2 (Escalation) problem identification, diagnosis and resolution of problems and supports the escalation and communication of status to agency management and internal customers.
This position requires onsite support at a single work location in the Washington D.C. area. Candidates must be flexible in schedule, have the ability to travel, and be able to communicate professionally with customers and coworkers. Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.
Main responsibilities include but are not limited to:
  • Manage physical security system support to meet service level agreements.
  • Configure and manage Windows operating systems and install/load operating system software.
  • Perform desktop hardware and operating system set-up, imaging software loading, and antivirus updates.
  • Analyze security system infrastructure performance and recommend improvements.
  • Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability and performance.
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
  • Perform IAVA updates and patching to ensure compliance with Information Assurance (IA) standards.
  • Apply Security Technical Implementation Guides (STIGs) to Windows based operating systems (servers and workstations).
  • Implement and maintain sophisticated enterprise Windows Active Directory Architectures.
  • Perform daily operations to include Active Directory management, monitoring and reviewing system logs.
  • Configure and maintain virtual hypervisors to include VMware and Hypervisor.
  • Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms to include Citrix Xen Desktop.
  • Install, configure, and maintain 3rd party applications.
  • Install, configure and maintain highly available SQL database Engines.
  • Deploy and maintain storage platforms similar to Dell EqualLogic and Dell Powervault.
  • Analyze requirements of future deployments and make recommendations for IT infrastructure including all hardware and software required fulfill those requirements.
  • Perform root cause analysis on significant issues across all tiers of support.
  • Perform preventive maintenance actions including system back-ups, error log reviews, database size analysis, and integrity checks.
  • Develop new system and application implementation plans to include testing procedures and ensuring operational reliability.
  • Stay current with technological developments and make recommendations for ways to take advantage of new and emerging technology.
  • Create technical documentation such as standard operating procedures (SOP) and as builds for both technical and non-technical audiences.
  • Train system users and other system support personnel as needed.
  • Perform all duties with minimal direct supervision.

Qualifications
Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; Active Top Secret clearance is required.
Key Requirements:
  • Education:
    • Bachelor's Degree and 5+ Years of progressive experience or
    • Associates Degree and 8+ Years of progressive experience or
    • HS Diploma or Equivalent and 10+ Years of progressive experience
  • Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
  • Requires 5 + years of experience programming/administrating Physical Access Control Systems.
  • Demonstrated previous experience effectively managing small teams.
  • Demonstrated understanding of Windows patching and vulnerability remediation.
  • Demonstrated advanced knowledge of Windows active directory hierarchy and implementation.
  • Basic knowledge of large-scale networking, VLANS and routing.
  • Requires reliable attendance at customer site during work hours required by customer.
  • Requires the ability to work flexible shifts that include nights, weekends and holidays as needed.
  • Requires minimum of Security + Certification, CASP, or CISSP certification.
  • Demonstrated background working with multidisciplinary teams.
  • Demonstrated time management and organization skills to meet deadlines and quality objectives.
  • Proficient in MS Excel, Word, Visio, and PowerPoint.

Preferred Experience:
  • Proficiency with ACAS and HBSS and mitigation strategies
  • Assessment, mitgation, and closure of network vulnerabilities and vulnerability management eMASS
  • Applying STIGs to servers, databases, applications, and other hardware Security Readiness Review (SRR) Tools (scripts and ACAS)
  • Excellent understanding of the DoD RMF lifecycle and NIST 800-53 controls implementation
  • Awareness of NIST Special Publication 800-82, Guide to Industrial Control Systems (ICS) Security and UFC 4-010-06 Unified Facilities Criteria (UFC) Cybersecurity of Facility

Travel:
  • Up to 10% annual

What we offer:
  • A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.
  • An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
  • Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
  • Open and transparent communication with senior leadership as well as local office management.

Abilities
  • Exposure to computer screens for an extended period of time.
  • Sitting for extended periods of time.
  • Reach by extending hands or arms in any direction.
  • Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
  • Listen to and understand information and ideas presented through spoken words and sentences.
  • Communicate information and ideas in speaking so others will understand.
  • Read and understand information and ideas presented in writing.
  • Apply general rules to specific problems to produce answers that make sense.
  • Identify and understand the speech of another person.

What M.C. Dean employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

M.C. Dean logo

About M.C. Dean

Sourced by ZipRecruiter

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most recognizable mission-critical facilities, secure environments, complex infrastructure, and global enterprises. The company's capabilities include electrical, electronic security, telecommunications, life-safety, instrumentation and control, and command and control systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 5,100 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.

Industry

Engineering professional services

Company size

10,000+ Employees

Headquarters location

Tysons, VA, US

Year founded

1949

Social media

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