Senior Information Systems Security Engineer - DOD/RMF

Job Description

This role supports DoD Collateral programs by providing onsite system administration, IT infrastructure management, and end-user support. The successful candidate will ensure compliance with the Defense Counterintelligence and Security Agency Assessment and Authorization Guide (DAAG) and National Institute of Standards and Technology (NIST) Special Publication (SP) 800-53 while collaborating with Information System Security Managers (ISSM), Information System Security Officers (ISSO) and Facility Security Officers (FSO).

This is a mission-critical position requiring a high level of technical expertise, attention to detail, and a commitment to safeguarding classified information. Must work onsite at secure facilities in Phoenix, AZ.

Responsibilities

Key Responsibilities:

• System Setup and Configuration:
• Design, deploy, and configure secure IT systems, networks, workstations and Cloud enclaves in accordance with DAAPM and NIST SP 800-53 requirements.
• Establish and maintain baseline configurations for hardware, software, and network components.
• Implement and validate Risk Management Framework (RMF) security controls and system hardening measures.
• End-User Support:
• Provide Tier 1 and Tier 2 technical support to DoD personnel, troubleshooting hardware, software, Cloud and network issues.
• Manage user accounts, permissions, and access controls, ensuring compliance with DoD security policies.
• Create and deliver training or documentation to enhance end-user efficiency and security awareness.
• Security Collaboration:
• Partner with the ISSM and ISSOs to integrate security into the RMF processes, supporting Authorization to Operate (ATO) efforts.
• Report and respond to security incidents or anomalies in coordination with the security team.
• Operations and Maintenance:
• Perform routine system maintenance, including patch management, updates, and secure backups, per DAAPM and NIST SP 800-53 guidelines.
• Monitor system performance and security logs, proactively addressing issues to maintain operational integrity.
• Maintain detailed documentation of configurations, processes, and standard operating procedures (SOPs).
• Compliance and Security:
• Ensure all activities adhere to DAAPM, NIST SP 800-53 and DoD-specific directives.
• Protect the confidentiality, integrity, and availability of classified and sensitive data.
• Respond to evolving security requirements and support incident mitigation as needed. Maintain information systems compliance.
  

Qualifications

YOU MUST HAVE

• Associate’s degree in information technology, Computer Science or related field
• At least 5 years of Windows system administration experience
• At least 2 years of Cloud (preferably Azure) administration experience
• Experience with network administration, security tools (e.g., ACAS, STIGs, Splunk, SCC) and system hardening.
• Proficiency in configuring and managing secure Windows environments.
• Proficiency in administrating Cloud environments.
• Security Clearance: Secret
• Certifications: DoD 8140 IAT Level 2 minimum compliant certification
  
  

WE VALUE

• Security Clearance: Top Secret
• Certifications: Microsoft Azure certification
• Prior work with DAAG and NIST SP 800-53 standards or in a defense contracting environment.
• High level Windows system administration – Windows 10 & 11
• High level Windows Server administration – Server 2016/22
• Familiarity with virtualization (e.g., VMware)
• Ability to lift up to 25 pounds (e.g., for hardware setup) and sit/stand for extended periods.
• Comfortable working in a high-security environment with strict access controls and protocols.
  
  

In addition to a competitive salary, leading-edge work, and developing solutions side-by-side with dedicated experts in their fields, Honeywell employees are eligible for a comprehensive benefits package. This package includes employer subsidized Medical, Dental, Vision, and Life Insurance; Short-Term and Long-Term Disability; 401(k) match, Flexible Spending Accounts, Health Savings Accounts, EAP, and Educational Assistance; Parental Leave, Paid Time Off (for vacation, personal business, sick time, and parental leave), and 12 Paid Holidays .For more Honeywell Benefits information visit: https://benefits.honeywell.com/

The application period for the job is estimated to be 40 days from the job posting date 1/8/2026; however, this may be shortened or extended depending on business needs and the availability of qualified candidates

Due to compliance with U.S. export control laws and regulations, candidate must be a U.S. Person, which is defined as, a U.S. citizen, a U.S. permanent resident, or have protected status in the U.S. under asylum or refugee status or have the ability to obtain an export authorization.

About Us

Honeywell helps organizations solve the world's most complex challenges in automation, the future of aviation and energy transition. As a trusted partner, we provide actionable solutions and innovation through our Aerospace Technologies, Building Automation, Energy and Sustainability Solutions, and Industrial Automation business segments – powered by our Honeywell Forge software – that help make the world smarter, safer and more sustainable.