American Operations Corporation
Senior Systems Administrator - Unix/Linux
American Operations Corporation, Dahlgren, Virginia, United States, 22448
As a Senior Systems Administrator specializing in Unix/Linux, you will be responsible for the effective management, maintenance, and configuration of our Unix and Linux-based systems. You will play a critical role in ensuring system performance, security, and reliability while providing technical expertise and support to various teams across the organization.
Key Responsibilities
System Administration: Manage, configure, and maintain Unix and Linux server environments, ensuring optimal performance, security, and availability.
Performance Tuning: Monitor system performance and proactively resolve issues using diagnostic tools and techniques to optimize resource utilization.
Security Management: Implement and enforce security configurations, policies, and practices to protect systems from unauthorized access and vulnerabilities.
Patch Management: Develop and execute patch management strategies to ensure systems are up-to-date with the latest security updates and software enhancements.
Backup and Recovery: Design and manage backup and disaster recovery solutions to ensure data integrity and availability.
Automation: Create and maintain scripts (using Bash, Python, or other scripting languages) to automate routine tasks and improve operational efficiency.
Technical Support: Provide advanced troubleshooting and support for system-related issues, collaborating with other IT teams as necessary.
Documentation: Maintain system documentation, including configuration files, standards, and procedures for backup, recovery, and system integration.
Collaboration: Work closely with development, network, and cybersecurity teams to deploy and support applications within Unix/Linux environments.
Training: Mentor junior system administrators and assist with onboarding new team members.
Qualifications
Five (5) years of professional experience in relation to UNIX and/or Linux system administration of networks and software systems.
Experience in system backup/recovery, basic software management, security and library management, installation and configuration of hardware, operating systems and COTS software, operating computer systems in different operating environments, sizing, performance, tuning, hardware/software /network trouble shooting and resource allocation.
Experience in maintaining proficiency in major network security tools such as firewalls.
Experience developing system specifications and performing market research procurement tasks.
Experience with different network protocols including TCP/IP.
Experience of computing and networking vulnerabilities, and attack and latest detect methods.
This position is required to be designated as IAT II level with a T5.
Benefits
Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k, IRA)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off (Vacation, Sick & Public Holidays)
Short Term & Long Term Disability
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Key Responsibilities
System Administration: Manage, configure, and maintain Unix and Linux server environments, ensuring optimal performance, security, and availability.
Performance Tuning: Monitor system performance and proactively resolve issues using diagnostic tools and techniques to optimize resource utilization.
Security Management: Implement and enforce security configurations, policies, and practices to protect systems from unauthorized access and vulnerabilities.
Patch Management: Develop and execute patch management strategies to ensure systems are up-to-date with the latest security updates and software enhancements.
Backup and Recovery: Design and manage backup and disaster recovery solutions to ensure data integrity and availability.
Automation: Create and maintain scripts (using Bash, Python, or other scripting languages) to automate routine tasks and improve operational efficiency.
Technical Support: Provide advanced troubleshooting and support for system-related issues, collaborating with other IT teams as necessary.
Documentation: Maintain system documentation, including configuration files, standards, and procedures for backup, recovery, and system integration.
Collaboration: Work closely with development, network, and cybersecurity teams to deploy and support applications within Unix/Linux environments.
Training: Mentor junior system administrators and assist with onboarding new team members.
Qualifications
Five (5) years of professional experience in relation to UNIX and/or Linux system administration of networks and software systems.
Experience in system backup/recovery, basic software management, security and library management, installation and configuration of hardware, operating systems and COTS software, operating computer systems in different operating environments, sizing, performance, tuning, hardware/software /network trouble shooting and resource allocation.
Experience in maintaining proficiency in major network security tools such as firewalls.
Experience developing system specifications and performing market research procurement tasks.
Experience with different network protocols including TCP/IP.
Experience of computing and networking vulnerabilities, and attack and latest detect methods.
This position is required to be designated as IAT II level with a T5.
Benefits
Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k, IRA)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off (Vacation, Sick & Public Holidays)
Short Term & Long Term Disability
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