About this opportunity
Elios Talent lists this Sr. Network Engineer opportunity in houston, Texas. Review the employer’s description below for duties, qualifications and application requirements.
Job description
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Base pay range
$180,000.00/yr - $200,000.00/yr
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Network Security Engineer - Remote - Houston, TX
Multi-Platform Expertise – Manage Linux, Windows, and cloud-based systems with top-tier security and performance optimization.
️ Cloud & Container Security – Administer AWS/Azure, secure Docker deployments, and integrate CI/CD pipeline protections.
️ End-to-End Security Leadership – Drive compliance, incident response, and hardening across servers, networks, and databases.
Overview
We are seeking a highly experienced Network Security Engineer / Systems Administrator with a minimum of 8 years managing Linux, Windows, and cloud-based environments. This role covers server administration, network security, database management, containerization, and performance optimization across on-premises and cloud systems. The ideal candidate will have strong Docker container management skills and expertise in securing automated deployment and migration pipelines, ensuring infrastructure is both secure and efficient from development to production.
Key Responsibilities
Administer and maintain Linux servers for optimal performance and uptime.
Monitor system resources (CPU, memory, disk usage) and optimize as needed.
Automate recurring tasks using cron jobs and shell scripting.
Implement and maintain security best practices, including SSH restrictions, server hardening, kernel updates, and account management.
Configure logging and monitoring using Graylog, ELK Stack, Splunk, or similar.
Implement auditing with auditd or equivalent tools.
Database Administration
Manage MySQL and/or PostgreSQL databases, including permissions and encryption.
Optimize database performance through indexing, query tuning, and process monitoring.
Develop and maintain robust backup and recovery strategies.
Windows Server Administration
Administer Windows Servers and core server roles.
Manage Active Directory, group policies, and user accounts.
Configure Windows Firewall and automate security patching.
Integrate event logging with monitoring tools.
Cloud Administration (AWS or Azure – AWS Preferred)
Provision, configure, and maintain cloud resources.
Manage EC2 instances, RDS/Aurora databases, and networking components.
Configure IAM policies, security groups, and access controls.
Administer S3 buckets with encryption and lifecycle policies.
Implement cloud backup, disaster recovery, and cost optimization strategies.
Containerization & Deployment Security
Deploy and manage Docker-based applications.
Ensure container security through image scanning, access control, and vulnerability patching.
Integrate security checks into CI/CD pipelines to prevent vulnerabilities in production.
Networking & Security
Maintain network configurations, firewalls, and secure connectivity.
Ensure compliance with internal and regulatory security standards.
Collaborate with security teams on penetration testing, audits, and incident response.
Required Skills & Experience
8+ years administering Linux and Windows environments.
Strong shell scripting and automation skills.
Proven experience in server hardening and security compliance.
Strong MySQL/PostgreSQL security, optimization, and backup expertise.
Proficiency with logging/monitoring tools (Graylog, ELK Stack, Splunk, etc.).
Knowledge of Linux auditing tools (auditd or equivalent).
Experience with Docker container management and security best practices.
Experience implementing security in CI/CD pipelines.
Performance tuning and capacity planning expertise for servers and databases.
Preferred Skills
AWS or Azure certifications (SysOps Administrator, Solutions Architect, Azure Administrator Associate).
PowerShell scripting experience.
Familiarity with VMware, Hyper-V, or other virtualization platforms.
Knowledge of SOC2, ISO27001, HIPAA, PCI-DSS compliance.
Education & Certifications
Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
Relevant industry certifications preferred.
Seniority level
Seniority level
Mid-Senior level
Employment type
Employment type
Full-time
Job function
Job function
Information Technology, Engineering, and Administrative
Industries
IT Services and IT Consulting, Legal Services, and Computer and Network Security
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Inferred from the description for this job
Medical insurance
Vision insurance
401(k)
Paid maternity leave
Paid paternity leave
Disability insurance
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Worksite address
houston, TX, 77246, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.