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RTX

Manufactures jet engines, avionics, missiles

Senior Systems Security Engineer

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeLargo, FL, USA

About the Job

Requirements

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience, or an advanced degree in a related field and a minimum of 3 years of experience.
  • An active and transferable U.S. government-issued TS/SCI security clearance is required prior to the start date.
  • Experience with enterprise configuration and patch management using automated tools such as Microsoft Endpoint Configuration Manager (MECM) or Windows Systems Update Service (WSUS).
  • An active Department of Defense 8570 IAT Level II certification, such as Security+ and/or CISSP, and the ability to maintain it.

Responsibilities

  • Work within the Security Engineering domain and broader enterprise engineering effort, operating daily within a custom, air-gapped Department of Defense IT network to provide advanced support and directly deploy new capabilities at a sustained rate.
  • Create and present materials that convey concepts and ideas to a wide range of audiences.
  • Work primarily onsite in a closed-area environment, with occasional opportunities to work offsite.
  • Create, follow, and update system documentation, schematics, operational guides, and procedures.
  • Interface with other teams to help define, determine, and implement cyber risk posture, cyber risk mitigation, and information assurance throughout the enterprise IT service portfolio.
  • Travel up to 10% as required.

Desired Qualifications

  • Systems administration using Linux and Windows desktop and server operating systems, including Windows 11, Windows Server 2022/2025, and Red Hat Enterprise Linux.
  • Experience with traditional and current on-premises enterprise IT systems and technologies, and their security impacts on Identity, Credential, and Access Management (ICAM), secure enterprise messaging, Enterprise Logging Ingest, Cyber Situational Awareness and protection, and Endpoint Detection and Response.
  • Proficient knowledge of enterprise identity management applications and design, including Lightweight Directory Access Protocol (LDAP), such as Active Directory, and Public Key Infrastructure (PKI).
  • Experience with Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and compliance scans using Assured Compliance Assessment System (ACAS) or SCAP Compliance Checker (SCC).
  • Experience with computing hardware and software platforms, including servers, workstations, commercial off-the-shelf (COTS) software applications, and custom software applications.
  • Experience maintaining Windows servers and troubleshooting software applications.
  • Understanding of traditional and current on-premises enterprise IT systems and technologies, and their security impacts on ICAM, secure enterprise messaging, Enterprise Logging Ingest, Cyber Situational Awareness and protection, and Endpoint Detection and Response.
  • Experience with enterprise firewalls, including knowledge of firewall policies and rule sets.
  • Understanding of basic network engineering fundamentals, including OSI layers, IP addressing, subnetting, the TCP/IP stack, VLANs, well-known ports, and protocols.
  • Knowledge of and experience leading or contributing to integration efforts involving cybersecurity, the Risk Management Framework, or information assurance.
  • Knowledge of scanning hardware and software for compliance and vulnerabilities using industry tools such as ACAS.
  • Experience configuring and troubleshooting file classification, labeling, and associated policy tools such as NextLabs and Boldon James; SIEM tools such as Splunk; and network monitoring tools such as SolarWinds.
  • Experience working with command-line interfaces and scripting, including PowerShell and Bash.
  • Experience with VMware products such as vSphere, vCenter, and ESXi, and virtualization implementations.
  • Experience maintaining and administering storage appliances such as Pure Storage and Seagate.
  • Knowledge of Zero Trust principles.
  • Experience with Agile project methodologies and Jira workflows.
  • Experience with Agile development techniques such as Scrum or Kanban, using the Atlassian tool suite, including Jira, Confluence, and Mattermost.
  • Knowledge of DevSecOps, Digital Technology, or Information Systems, specifically IT networks and enterprise applications.
  • Understanding of configuring and troubleshooting antivirus applications and data loss prevention (DLP), such as Trellix.
  • A sound foundation in data management and configuration management principles, processes, and concepts.

About the Company

RTX

Manufactures jet engines, avionics, missiles

RTX operates in aerospace and defense with three main units: Pratt & Whitney jet engines, Collins Aerospace avionics and flight systems, and Raytheon defense systems. Jet engines provide thrust for commercial and military aircraft, avionics manage cockpit controls and navigation, and Raytheon builds missiles, radar, and sensing platforms. It differentiates itself by offering an integrated, end-to-end portfolio across both commercial aviation and national defense under one corporate roof, built on the legacy of Raytheon and UTC. Its goal is to help customers fly more efficiently and protect nations by advancing propulsion, electronics and defense tech for civilian and security needs.

Company size
10,001+
Company stage
IPO
Headquarters
Arlington County, VA
Founded
2022

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