> Markdown version of [/jobs/ext/3673723-systems-security-cyber-engineer-ii-contingent-onsite-aurora-co-ts-sci-required](https://www.wearedevelopers.com/jobs/ext/3673723-systems-security-cyber-engineer-ii-contingent-onsite-aurora-co-ts-sci-required). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Systems Security Cyber Engineer II - Contingent (Onsite - Aurora, CO) TS/SCI required

- **Company:** RTX
- **Location:** Aurora, CO, United States
- **Salary:** $68,900.0 - $131,100.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Antivirus Softwares, Systems Engineering, Unix, Cyber Security, Databases, Multi-Factor Authentication, Linux Commands, Network Intrusion Detection Systems, Red Hat Enterprise Linux, Security Information and Event Management, Network Switches, Containerization, Kubernetes, Scap Compliance Checker, Cisco, Docker, Vulnerability Analysis
- **Published:** October 10, 2026
- **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-CO-AURORA-S76--16430-E-Hughes-Dr--BLDG-S76/Systems-Security-Cyber-Engineer-II---Contingent--Onsite---Aurora--CO--TS-SCI-required_01881403

## About the Role

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, * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field

 * U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
 * Active and transferable TS/SCI U.S. government issued security clearance is required prior to start date
 * DoDM 8140.03 compliant certification (e.g., Security+, CISSP, or equivalent)
 * Knowledge of Security Technical Implementation Guidance (STIG) and Risk Management Framework (RMF) as described in NIST Special Publication 800-37 and DoD Instruction 8510.01
 * Knowledge of Systems Engineering requirements, specifications, and experience implementing DoD and Federal Assessment and Authorization (A&A) Processes and cybersecurity controls and developing and maintaining associated A&A documentation
 * Experience with utilizing vulnerability scanning tools to include Tenable Security Center, STIG Viewer, SCAP Compliance Checker/Tools

Qualifications We Prefer:

 * Familiarity with Linux Commands
 * Familiarity with Containerization (e.g., Docker/Kubernetes)
 * Familiarity with Cross Domain Solutions (CDS)
 * Awareness of Program Protection Plans (PPP), DoDI 5000.02, and DoDI 5200.39
 * Understanding of IT, network, and system security administration, including security configuration and account management best practices for Windows, UNIX, Red Hat Enterprise Linux, and Cisco Systems.
 * Familiarity with information security toolsets, including anti-virus, vulnerability assessment, HIDS/NIDS, host-based and endpoint security, Multi-Factor Authentication (MFA), Security Information and Event Management (SIEM), and centralized auditing resources
 * Written and verbal communications skills, with the ability to work independently

## Description

* Assist in the development of RMF documents and controls validation testing for DoD Authorizations to Operate (ATOs)
 * Maintain the latest versions of all applicable Security Technical Implementation Guides (STIGs) by downloading updates from the DoD Cyber Exchange website and migrating existing checklists to the newest templates
 * Coordinate with other Subject Matter Experts (SMEs) to complete the STIG templates, such as those for network switches, database, operating systems, etc.
 * Perform routine and ad-hoc scans using the ACAS tool
 * Support the development of cybersecurity requirements, design and architecture artifacts, plans, and policies.
 * CONUS/OCONUS travel (up to 25%)

What You Will Learn:

 * You will learn to be a more effective Systems Security Engineer and leader by gaining niche skills enabling you to be unique in all you do
 * You will develop technical expertise to become a cybersecurity subject matter expert (SME), while gaining valuable exposure to diverse business models and product lines in a dynamic, ever-evolving field. We are growing and so can you!