Security Engineer IV - Linux- HHS STIM
Security Engineer IV - Linux- HHS STIM
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Salary Not Disclosed
1 Vacancy
Job Description
Job Description: Security Engineer IV Linux Systems
Key Responsibilities
- Design implement maintain and troubleshoot Red Hat Enterprise Linux (RHEL) Server environments (v8-v9).
- Develop and maintain advanced automation and scripting solutions (BASH Perl JavaScript Python) to optimize operations and resolve issues.
- Administer and maintain enterprise Linux environments including Ansible RHEL Satellite firewall configurations (NFTables/Firewalld/IPTables) DNS (ISC2 BIND) and Postfix/SMTP relay services.
- Ensure interoperability and integration between Linux/UNIX and Windows environments.
- Support container runtime environments such as Mirantis (formerly Docker) and cloud services like AWS.
- Implement and maintain GitLab for source control and automation processes.
- Develop document and maintain standard operating procedures system designs and configuration records.
- Provide technical leadership and mentoring to junior engineers fostering knowledge transfer and best practices.
- Collaborate with cross-functional IT and security teams on enterprise infrastructure projects providing guidance and support.
- Participate in 24/7/365 on-call rotation providing timely resolution for critical incidents.
- Troubleshoot LAN/WAN connectivity performance and throughput issues across distributed environments.
- Ensure compliance with federal cybersecurity standards including NIST 800-53 Rev. 5 CIS Controls and DISA STIGs.
Required Qualifications
- Bachelors degree in Computer Science Information Systems Cybersecurity or related field (or equivalent combination of education certifications and experience).
- 10 years of professional experience in Linux/UNIX system administration including Red Hat Enterprise Linux (v8-v9).
- Expertise in automation tools such as Ansible and RHEL Satellite.
- Hands-on experience with scripting languages (BASH Python Perl JavaScript).
- Knowledge of DNS (BIND) SMTP relay Linux clustering NFSv3/v4 PXE boot and SELinux.
- Experience with Mirantis Container Runtime (Docker) AWS cloud environments and GitLab.
- Current Red Hat certification such as RHCSA RHCE or RHCA (one version release current or previous).
- Strong problem-solving analytical and troubleshooting skills with ability to work independently and within teams.
- Ability to clearly communicate complex technical concepts to non-technical stakeholders.
- Demonstrated knowledge of federal security standards (CIS Controls NIST 800-53 DISA STIGs).
Required Experience:
Senior IC
Employment Type
Full-Time
