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Senior Security Systems Administrator Jobs (NOW HIRING)

Nightwing

Security/Systems Administrator

Sterling, VA · On-site

The Security/Systems Administrator will support the Sponsor's Cloud Service Providers' Cross Domain System environments, focusing on security monitoring, access control, and developing security ...

Nightwing

Security/Systems Administrator

Sterling, VA · On-site

$122K - $253K/yr

The security administrator (SecAdmin) shall support the Sponsor's Cloud Service Providers' (CSP) Cross Domain System (CDS) environments. The role will include change control and configuration ...

Nwis

Security/Systems Administrator

Sterling, VA

$122K - $253K/yr

The security administrator (SecAdmin) shall support the Sponsor's Cloud Service Providers' (CSP) Cross Domain System (CDS) environments. The role will include change control and configuration ...

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$49K

$102.2K

$143.5K

How much do senior security systems administrator jobs pay per year?

As of Jul 24, 2026, the average yearly pay for senior security systems administrator in the United States is $102,229.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What is the average salary for a senior administrator?

The average salary for a Senior Security Systems Administrator typically ranges from $90,000 to $130,000 annually, depending on experience, certifications, and location. Professionals with specialized skills in network security, firewalls, and intrusion detection may earn higher salaries. Many roles also require ongoing training and security clearances.

Is sysadmin a stressful job?

A senior security systems administrator role can be stressful due to the responsibility of protecting organizational assets, managing complex security infrastructure, and responding to security incidents. The job often requires working under tight deadlines, maintaining 24/7 system availability, and staying current with evolving threats, which can contribute to stress levels.

What does a senior systems administrator do?

A senior security systems administrator manages and maintains an organization’s security infrastructure, including firewalls, intrusion detection systems, and access controls. They analyze security threats, implement security policies, and ensure systems are protected against cyber attacks, often using tools like SIEMs and requiring certifications such as CISSP or CISA. They also troubleshoot security issues and coordinate incident response efforts.

What are some common challenges faced by a Senior Security Systems Administrator in managing enterprise-level security infrastructure?

Senior Security Systems Administrators often encounter challenges such as keeping up with rapidly evolving cyber threats, managing complex multi-vendor environments, and balancing security requirements with user accessibility. They are responsible for maintaining system uptime while implementing robust security measures, which can require careful planning and coordination with other IT teams. Additionally, responding to incidents and ensuring compliance with industry regulations can add to the dynamic nature of the role, making adaptability and continuous learning essential.

What is the highest salary for a system administrator?

The highest salaries for senior security systems administrators can exceed $130,000 annually, especially for those with advanced certifications like CISSP or CISA, extensive experience, and expertise in managing complex security infrastructures. Salaries vary based on industry, location, and company size, with some senior roles reaching higher compensation levels in large organizations or high-cost regions.

What are Senior Security Systems Administrators?

Senior Security Systems Administrators are experienced IT professionals responsible for designing, implementing, and maintaining an organization's security systems and protocols. They monitor networks for security breaches, manage firewalls, enforce security policies, and lead incident response efforts. In addition to managing security infrastructure, they often mentor junior staff and ensure compliance with industry standards and regulations. Their role is crucial in protecting sensitive data and ensuring the overall cybersecurity of a company.

What is the difference between Senior Security Systems Administrator vs Security Systems Engineer?

AspectSenior Security Systems AdministratorSecurity Systems Engineer
CertificationsCompTIA Security+, CISSP, CISACCSP, CISSP, Security+
Work EnvironmentIT security teams, data centers, corporate networksDesigning, implementing, and testing security solutions
Employer & IndustryCorporate, government, financial institutionsSecurity consulting firms, tech companies, enterprise IT
Search & Comparison IntentUnderstanding roles, responsibilities, and qualificationsTechnical design, security architecture, system implementation

The Senior Security Systems Administrator primarily manages and maintains existing security infrastructure, focusing on operational security and incident response. In contrast, Security Systems Engineers design and implement new security solutions, emphasizing technical development and system architecture. Both roles require relevant certifications and work within similar environments, but their core responsibilities differ in scope and focus.

What are the key skills and qualifications needed to thrive as a Senior Security Systems Administrator, and why are they important?

To excel as a Senior Security Systems Administrator, you need advanced knowledge of network and systems security, expertise in risk management, and typically a bachelor's degree in IT or cybersecurity along with relevant experience. Familiarity with security tools such as firewalls, intrusion detection/prevention systems, SIEM solutions, and certifications like CISSP or CompTIA Security+ are highly valued. Strong problem-solving skills, attention to detail, and the ability to communicate complex security concepts clearly are essential soft skills. These qualifications and abilities are vital to ensure robust protection of organizational assets, quick response to threats, and effective teamwork within IT environments.
What cities are hiring for Senior Security Systems Administrator jobs? Cities with the most Senior Security Systems Administrator job openings:
What are the most commonly searched types of Security Systems Administrator jobs? The most popular types of Security Systems Administrator jobs are:
What states have the most Senior Security Systems Administrator jobs? States with the most job openings for Senior Security Systems Administrator jobs include:
Senior Security Systems Administrator jobs near you
Security Systems Administrator

Security Systems Administrator

Advanced IT Concepts LLC

Tampa, FL • Remote

Full-time

Posted yesterday

Job description



Security Systems Administrator

Reports to: CISO
FLSA: Full-time, Salaried Exempt
Primary Work Location: Remote

Make an Impact at Advanced IT Concepts

Join Advanced IT Concepts (AITC) as a Security Systems Administrator and be the frontline of IT support for our growing team in Orlando, FL, Reston, VA, and across the globe. Your expertise will keep our people connected, secure, and ready. From deploying laptops for new employees to safeguarding systems that power critical operations, you’ll ensure our technology runs seamlessly so our teams can focus on delivering solutions that matter.

COMPANY OVERVIEW

Advanced IT Concepts (AITC) is a fast-growing Information Technology company specializing in Network and Systems Engineering, Integration, Professional Services, Medical Simulation, Test and Training Systems, and End-to-End Product and Technology Solutions. We deliver expert support in Information Systems Design and Cybersecurity, Strategic Planning, Program and Project Management, Security Risk Assessment, and Logistics for Federal, State and Local Government and public sector market.

Position Summary: We are seeking a Security Systems Administrator with 2–7 years of hands-on experience supporting, securing, and maintaining enterprise systems, network infrastructure, and cloud-based environments. This role is responsible for administering security tools, monitoring system health, supporting incident response activities, and helping ensure that systems are configured and operated in accordance with security best practices, organizational policies, and compliance requirements.

Key Responsibilities
  • Administer, monitor, and maintain security systems, servers, endpoints, and network infrastructure across on-premises and cloud environments.
  • Support the configuration, deployment, and maintenance of security tools such as firewalls, endpoint protection, vulnerability scanners, logging platforms, intrusion detection/prevention systems, and access management solutions.
  • Monitor security alerts, system logs, and operational dashboards to identify potential threats, misconfigurations, or performance issues.
  • Assist with incident response activities, including triage, investigation, containment, remediation, and documentation of security events.
  • Implement and maintain security baselines, patching processes, hardening standards, and configuration management practices.
  • Support cloud security operations, including identity and access management, security group configuration, logging, monitoring, encryption, and secure resource deployment.
  • Assist with vulnerability management efforts, including scanning, tracking remediation, validating fixes, and reporting status to technical and leadership teams.
  • Maintain documentation for system configurations, security procedures, change records, diagrams, and operational runbooks.
  • Collaborate with system administrators, network engineers, security analysts, cloud teams, and application owners to strengthen the organization’s overall security posture.
  • Participate in audits, compliance reviews, risk assessments, and continuous improvement initiatives as needed.
Required Qualifications
  • 2–7 years of experience in systems administration, security administration, network administration, cloud operations, cybersecurity operations, or a related technical role.
  • Working knowledge of information security principles, system hardening, access control, vulnerability management, patch management, and incident response.
  • Experience supporting Windows and/or Linux server environments, endpoint systems, and enterprise IT infrastructure.
  • Understanding of networking concepts, including TCP/IP, DNS, DHCP, VPNs, routing, switching, firewalls, and network segmentation.
  • Experience with cloud technologies such as AWS, Microsoft Azure, Google Cloud Platform, or similar cloud environments.
  • Familiarity with cloud security concepts, including identity and access management, logging and monitoring, encryption, secure configuration, shared responsibility models, and cloud-native security tools.
  • Ability to troubleshoot technical issues, analyze logs, document findings, and communicate technical information clearly.
  • Strong attention to detail, sound judgment, and ability to manage multiple priorities in a fast-paced environment.
  • Ability to work both independently and collaboratively with cross-functional technical teams.
Preferred Qualifications and Certifications
  • CompTIA Security+ certification preferred.
  • CompTIA Network+ certification preferred.
  • Cloud certifications preferred, such as AWS Certified Cloud Practitioner, AWS Certified Security – Specialty, Microsoft Azure Fundamentals, Microsoft Azure Security Engineer Associate, Google Cloud Digital Leader, or Google Professional Cloud Security Engineer.
  • Experience with security information and event management tools, endpoint detection and response platforms, cloud security posture management tools, or vulnerability management platforms.
  • Exposure to compliance frameworks or security standards such as NIST, CIS Controls, ISO 27001, FedRAMP, or similar frameworks.
  • Experience supporting hybrid environments that include both on-premises infrastructure and public cloud services.
Technical Skills
  • Systems administration: Windows Server, Linux, Entra ID, Group Policy, endpoint management, patching, and backups.
  • Security operations: Purview, Intune, vulnerability scanning, log analysis, incident response support, endpoint protection, access reviews, and security monitoring.
  • Networking: firewalls, VPNs, VLANs, DNS, DHCP, TCP/IP, routing, switching, and network troubleshooting.
  • Cloud technology: AWS, Azure, Google Cloud Platform, cloud identity and access management, secure configuration, cloud logging, and cloud monitoring.
  • Documentation: standard operating procedures, technical diagrams, configuration records, incident notes, and audit support materials.
Education

Associate’s or bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Information Systems, or a related field is preferred. Equivalent combinations of technical training, certifications, and relevant work experience may be considered.

Work Environment

This position may require participation in after-hours support, scheduled maintenance windows, incident response activities, or on-call rotation depending on business needs.


AITC provides equal employment opportunity (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, genetic information, marital status, ancestry, protected veteran status, or any other characteristic protected by applicable federal, state, and local laws and offers equal opportunity for VEVRAA Protected Veterans. AITC will not discriminate against employees and job applicants who inquire about, discuss, or disclose compensation information.


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