OT Cybersecurity Engineer
Location:Bethesda, MD (Hybrid – 3 days onsite)
Employment Type: Long-term contract or contract-to-hire
Clearance: Must be able to pass a standard background check and obtain a Public Trust Clearance
Work Authorization: U.S. Citizenship required
Macro Proshas an immediate opening for anOT Cybersecurity Engineerto support the security ofOperational Technology (OT)environments, including building automation, utilities, and other critical facilities systems. This role supports a client inBethesda, Maryland.
Candidates must currently live in the Washington, DC metro area and be willing to work onsite in Bethesda three days per week.
What You’ll Do:
- Assist with inventory and documentation of OT/ICS assets and networks
- Maintain OT network and data flow diagrams, including segmented zones
- Support monitoring of OT network segments for unusual or suspicious activity
- Help triage OT-related security alerts and coordinate with cybersecurity and facilities teams
- Assist with vulnerability tracking, patching/firmware planning, and basic system hardening
- Contribute to OT risk assessments, security documentation, and compliance efforts (e.g., NIST-based controls)
- Work with facilities, biomedical/clinical engineering teams, and vendors to plan secure changes and maintenance activities
Hands-On Experience With:
- OT, controls, or building/facility systems (BAS/BMS, HVAC, utilities, PLCs)
- IT and cybersecurity fundamentals (networking, firewalls, monitoring, vulnerability management)
- Core networking and security concepts (TCP/IP, segmentation, least privilege, logging)
- Clear technical documentation and communication with both technical and non-technical teams
Preferred Qualifications:
- Minimum of 6 years of federal government experience
- Experience with OT or industrial systems (building automation, power/backup systems, lab or facility controls)
- Experience with OT/industrial protocols (BACnet, Modbus)
- Knowledge of security frameworks (NIST SP 800-82, NIST SP 800-53, CIS Controls)
- Entry-level certifications such as Security+, Network+, CySA+, or OT/ICS-focused training
- Experience with OT security platforms (Nozomi, Dragos, Claroty)
- Familiarity with federal security frameworks (FedRAMP, FISMA, RMF, NIST CSF, NIST SP 800-series)
Basic Qualifications:
- Bachelor’s degree in cybersecurity, computer science, engineering (mechanical, electrical, controls, systems), IT, or a related field
or an equivalent combination of education, training, and experience
Work Environment:
- Onsite in Bethesda three days per week (flexible on days) and two days remote
- Occasional off-hours work to support maintenance windows or incident response
- Regular access to mechanical rooms, plants, labs, and clinical areas (PPE and safety procedures required)
