Sr. Systems Security (Cyber) Engineer (Onsite - Cedar Rapids, IA) Secret Clearance Required
Listed on 2026-08-23
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IT/Tech
Cybersecurity, Systems Engineer, Network Security, Information Security & Data Protection
Location:
US-IA-CEDAR RAPIDS-130 ~ 5350 C Ave NE ~ BLDG 130
Date Posted:
Country:
United States of America
Location:
US-IA-CEDAR RAPIDS-130 ~ 5350 C Ave NE ~ BLDG 130
Position Role Type:
Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements:
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Security Clearance Type:
Secret - Current
Security Clearance Status:
Active and existing security clearance required on day 1
At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.
Join our highly visible team and perform technically challenging assignments, which will closely contribute to protecting our nation and our products. We are seeking a Senior Systems Security (Cybersecurity) Engineer to function as a key contributor for the Strategic Solutions Security Engineering team.
As a member of the Strategic Solutions Security Engineering (SSE) team, we want you to develop solutions to secure the Warfighter’s technology advantage. Systems Security Engineering creates security solutions leveraging multiple disciplines like (Use the "Apply for this Job" box below). Software Assurance, Hardware Assurance, Cryptography, NSA Type 1 Certification and Supply Chain Risk Management (SCRM) to support Program Protection Implementation on various systems.
This role will be worked onsite in Cedar Rapids, IA. Relocation assistance is available.
Requires an ACTIVE and Transferable SECRET clearance with the ability to obtain Top Secret clearance after start.
What You Will Do:- Support the development, implementation, and maintenance of Risk Management Framework (RMF) artifacts and security control validation activities required to obtain and maintain an Authority to Operate (ATO).
- Review proposed system changes and evaluate their cybersecurity impact to ensure modifications do not adversely affect system security or accreditation.
- Perform vulnerability assessments, analyze findings, develop mitigation strategies, and document remediation plans.
- Implement and validate security improvements by assessing system configurations, identifying vulnerabilities, and applying security best practices.
- Develop cybersecurity requirements, system security architecture documentation, boundary diagrams, data flow diagrams, hardware/software inventories, and supporting RMF documentation.
- Perform Security Technical Implementation Guide (STIG) implementation, compliance validation, and remediation using tools such as Evaluate STIG, STIG Viewer, and SCAP Compliance Checker.
- Conduct vulnerability scanning using Tenable Security Center (Tenable.sc) and Nessus, analyze results, and coordinate remediation efforts.
- Provide hands-on Linux systems administration and cybersecurity support for Red Hat Enterprise Linux (RHEL) and other Linux distributions.
- Troubleshoot Linux operating system issues including:
Network connectivity (DNS, routing, firewalls, interfaces, VLANs, bonding, SSH), System services (systemd), User authentication (LDAP, SSSD, PAM), SELinux policy issues, Storage, file systems, permissions, and process management, Log analysis using journalctl, rsyslog, auditd, and security logs - Perform cybersecurity troubleshooting on Linux systems by:
Validating secure configurations, Reviewing running services and open ports, Analyzing firewall configurations (firewalld/iptables/nftables), Verifying certificates and encryption configurations,…
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