Key Responsibilities
Continuous Monitoring & Vulnerability Mitigation
Perform continuous monitoring of systems using vulnerability scanning tools like Tenable Nessus.
Identify and analyze vulnerabilities from weekly and monthly scans.
Mitigate identified vulnerabilities by reconfiguring Linux servers and desktops or applying patches, security updates, and configuration changes.
Track, document, and report vulnerability remediation activities to ensure ongoing compliance with Risk Management Framework (RMF) or Intelligence Community standards.
Linux System Administration
Deploy, Configure, maintain, and secure Linux-based servers and desktops (RHEL, CentOS, Ubuntu).
Configure networking services such as DNS, DHCP, and NFS.
Manage user accounts, permissions, and authentication in compliance with security policies.
Harden systems using existing guidelines such as Security Technical Implementation Guides (STIGs) or custom configurations.
Apply and test kernel updates, package upgrades, and security patches in production and development environments.
Monitor Linux systems for performance, security, and availability, resolving issues proactively.
Implement and maintain system backup and disaster recovery procedures.
Collaborate with cross-functional teams to support system integration and deployment efforts.
Stay current with technological advancements and recommend improvements as necessary.
Documentation & Auditing
Maintain detailed system configuration documentation.
Document vulnerability findings, mitigations, and resolutions in tickets or compliance reports.
Support security audits by providing technical information and collaborating with the Information Assurance teams.
Collaboration
Work closely with the Information Assurance (IA) and Cybersecurity teams to ensure systems meet security requirements.
Collaborate with network administrators and application teams to integrate Linux environments supporting enterprise solutions.
Qualifications
Required Qualifications
Active TS eligibility for SCI
5 years with BS/BA or 3 years with MS/MA degree in Computer Science, Information Technology, or related field.
3-5+ years of experience managing Linux environments in classified, secure settings.
Proficiency with Linux operating systems (Ubuntu, RedHat),
Understanding of system security requirements in DoD or Intelligence domains (e.g., STIGs, RMF).
Bonus/Preferred Qualifications
Previously worked in SAP environments with SAP systems
Experience with virtualization technologies (KVM, Red Hat, Proxmox,).
Familiarity with configuration management tools (e.g., Ansible, Puppet, Chef).
Knowledge of containerization (Docker, Kubernetes).
Certifications: Red Hat Certified System Administrator (RHCSA), ITIL, or equivalent.
Experience with shell scripting or automation tools (Bash, Python, etc.) to streamline administrative and cybersecurity tasks.
Skilled with automating patch and vulnerability remediation via tools like Ansible, Puppet, or Chef
Target Salary Range $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement
Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
- EEO
- EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
