Network & Systems Administrator

Sierra7

Location: Arlington, VA 22201, US
Employment Type: FULL_TIME
Industry: Advertising and Public Relations
Occupational Category: 15-0000.00 – Computer and Mathematics
Posted: Tuesday, 25 August 2026
Valid Through: Thursday, 24 September 2026

Job Description

Sierra7 is hiring a Network & Systems Administrator in Arlington, VA. This is a full-time position.

The Network & Systems Administrator will manage the high-availability federal production platforms, ensure top-tier system performance, and protect critical infrastructure against emerging threats. This role sits at the center of our technology strategy, where you integrate complex cloud environments, maintain strict security standards, and empower our teams with reliable, seamless systems. Your expertise guarantees operational excellence and sustains public trust in the platforms we build. This position is classified as Hybrid/Remote with the ability to go onsite in Arlington, VA as needed. Job Duties and Responsibilities: Designs and integrates robust cloud infrastructure and platform solutions to support cross-platform operations and meet organizational goals.Architects scalable systems and optimizes overall platform performance to ensure high availability and speed.Enforces security and compliance frameworks, incorporating FedRAMP and NIST standards into daily operations.Maintains federal production platforms, adhering strictly to availability and incident-response requirements.Executes log monitoring, event analysis, alerting, and root-cause analysis to build and manage clear operational dashboards.Coordinates seamlessly with Government hosting providers and enterprise service organizations to streamline service delivery.Controls configuration, release, vulnerability, patch, and change management processes to minimize risk and maximize uptime.Manages Drupal hosting architecture and its specific dependencies to deliver secure and stable web environments.Applies ITIL best practices and communicates effectively during incidents to provide clear documentation and rapid resolution.

Education Requirements

high school

Skills

Please see the job description for required or recommended skills.

Benefits

Please see the job description for benefits.

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