Cyber Security Engineer

TISTA Science and Technology Corporation

13h•Remote

About The Position

TISTA Science and Technology is seeking a Cyber Security Engineer to join their growing team. At TISTA, employees engage in meaningful, mission-driven work that improves lives, supported by trusted teammates and transparent leaders. The company invests in learning and internal mobility for career advancement and is proud to serve and hire Veterans, prioritizing people in all operations.

Requirements

Hands-on experience administering Linux environments in production settings (e.g., Red Hat, Ubuntu, CentOS).
Ability to build strong relationships with lead teams and individuals without direct reporting relationships.
Ability to work independently to complete assigned tasks and document new procedures as needed.
Excellent written and oral communications skills and ability to articulate and present information to all levels of management and staff.
Two years of experience operating in a Windows Server and Active Directory environment.
Two years of experience administrating Red Hat Enterprise Linux (RHEL) environments.
Two years of experience with Splunk Enterprise.
Two years of experience with Tenable Nessus or similar vulnerability scanning tools.
Bachelor’s degree in computer science or a related field.
CompTIA Security+ or other cybersecurity certification.
Must be eligible to hold a Public Trust clearance.

Nice To Haves

Experience administering STIG hardened Red Hat Linux (RHEL) environments.
Experienced in two or more: PowerShell, Python, Ansible, Bash/ Shell scripting.
Experience performing software and security assessments.
Experience with one or more of the following technologies: Nutanix, Zscaler, F5 Big IP.

Responsibilities

Monitor, triage, and escalate email alerts generated by the agency’s cybersecurity toolset as required.
Administer, maintain, and troubleshoot Linux and Windows server environments in production and mission‑critical settings.
Perform system configuration, patching, upgrades, and performance monitoring in accordance with security and operational standards.
Support the administration, continuous monitoring, and reporting using the agency’s cybersecurity tools.
Actively contribute as a technical team member by leveraging experience and industry best practices to strengthen and enhance the agency’s security posture.
Provide technical support to monitor, correlate, identify, mitigate, manage, and track security incidents, supporting established incident response processes.
Support cybersecurity enterprise architecture development, including review and creation of documentation, architecture diagrams, and implementation recommendations for cyber tools.
Perform software assessments with a focus on risk identification and mitigation.
Manage Office 365 Exchange quarantine queues and web proxy whitelist requests.