Senior Linux System Administrator
Peraton · San Antonio, TX, US
About this role
## Senior Linux System Administrator ### Overview Peraton is a next-generation national security company providing mission-critical solutions across land, sea, space, air, and cyberspace. This role supports large-scale cloud and distributed systems used for national security missions. ### Responsibilities - Hands-on administration of large-scale **Hadoop** and **Accumulo** clusters to maintain **stability, performance, and security** - Operational troubleshooting of **cloud-based systems** and **distributed clusters** - Monitor and maintain **system health** across distributed environments - Troubleshoot **hardware, software, and network** issues - Sustain and optimize **storage systems** - Collaborate with **hardware, software, security, and infrastructure** teams - Automate tasks and manage configurations using **Puppet**, **Bash**, **Python**, and similar tools - Provide **after-hours support** as needed for mission-critical issues - Ensure compliance with **system security requirements** - Participate in **system design and architecture** discussions - Maintain system scripts, perform **patching**, and manage **user accounts** - Keep accurate **hardware and system inventories** ### Highly Desired Skills - Design and implement **Service-Oriented Architecture (SOA)** solutions - Develop **DoDAF-compliant** architecture (operational technical standards, system/service views) - Perform end-to-end **system trade analyses** to optimize long-term performance - Use **models, simulations, and prototyping** to manage risk and reduce development cost - Manage system configurations across the lifecycle (hardware, software, documentation) - Create design alternatives considering **cost, complexity, reuse, risk, scalability** - Develop and monitor **risk mitigation plans** (including fallback strategies using **EVM** data) - Support **Analysis of Alternatives (AoA)** with well-justified recommendations - Provide technical leadership across the full system development lifecycle (requirements through integration/testing) ### Basic Qualifications - **Active TS/SCI with Polygraph required** - **20 years** of experience planning and leading **Systems Engineering** efforts - Bachelor’s degree in a technical discipline required (or **5 additional years** of applicable experience may substitute) ### Benefits & Compensation (Summary) - Heavily subsidized benefits for you and your dependents - **25 days PTO** accrued annually (up to a generous cap) - Eligibility for an attractive **bonus plan** - Target salary range: **$176,000 – $282,000** (final offer depends on experience, location, and contract/business factors) - Additional eligibility may include overtime, shift differential, and discretionary bonus (depending on position) ### Application Notes - Estimated application period: **30 days** from posting date (may change based on business needs) - On-camera interview and identity verification may be required - **AI tools are strictly prohibited** during Peraton interviews unless prior written authorization is obtained *EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.*
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