Systems & Security Administrator DoD Programs

System Administrator

As a System Administrator supporting DoD programs at Honeywell, you will play a critical role in ensuring the security, reliability, and performance of our IT infrastructure in high-security environments. You will be responsible for configuring, managing, and maintaining secure systems, networks, and workstations in compliance with JSIG and NIST SP 800-53 standards, while providing technical support and guidance to program personnel. This is a hands-on, mission-critical position that requires attention to detail, technical expertise, and a commitment to safeguarding classified information. You will work closely with Information System Security Managers (ISSM), Information System Security Officers (ISSO), and Contract Program Security Officers (CPSO) to maintain operational integrity and support secure program operations.

You will report directly to the Cyber Security Manager and will work out of our Clearwater, FL location on an onsite work schedule.

Responsibilities

Key Responsibilities:

• System Setup and Configuration:
  • Design, deploy, and configure secure IT systems, networks, workstations and Cloud enclaves in accordance with JSIG 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, Tier 2, and Tier 3 technical support to program personnel, troubleshooting hardware, software, and network issues.
  • Manage user accounts, permissions, and access controls, ensuring compliance with JSIG 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 JSIG and NIST SP 800-53 guidelines.
  • Monitor system performance and security logs, proactively addressing issues to maintain operational integrity.
• Compliance and Security:
  • Ensure all activities adhere to JSIG, 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

US CITIZENSHIP REQUIREMENTS

Must be a U.S. Citizen due to contractual requirements.

YOU MUST HAVE

• Security Clearance: Secret
• At least 4 years of Windows system administration experience
• Familiarity with Domain architecture, including Active Directory, DNS, Domain Trust, and file share management
• Proficiency in configuring and managing secure Cisco network devices
• Experience with administration of security tools (e.g., Nessus, STIGs, Splunk, SCC) and system hardening.
• Proficiency in configuring and managing secure Windows environments.
• Certifications: DoD 8140 IAT Level 2 minimum compliant certification
• Ability to lift up to 25 pounds (e.g., for hardware setup) and sit/stand for extended periods.

WE VALUE

• Associate's degree in information technology, computer science or related field
• Security Clearance: Top Secret
• Certifications: DoD 8140 IAT Level 3 compliant certification
• Prior work with JSIG and NIST SP 800-53 standards or in a defense contracting environment.
• High level Windows system administration
• High level Windows Server administration
• Familiarity with virtualization (e.g., VMware)
• Comfortable working in a high-security environment with strict access controls and protocols.

BENEFITS OF WORKING FOR HONEYWELL

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 information visit: click here

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

Job posting date: 1/30/2026

Honeywell is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. Learn more about inclusion and diversity: click here