OT and ICS Network Administrator

Booz Allen Hamilton

. Conduct cybersecurity assessments .

Posted 9/15/2026full-timeTennessee • United StatesJuniorMid-Level💰 $61,900 - $141,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in conducting cybersecurity assessments and implementing countermeasures to maintain the cybersecurity posture of operational technology and industrial control systems. Proficient in network administration, including experience with Cisco and SEL switches, VMware, and vulnerability scanning tools.

Highest-signal resume keywords

Cybersecurity AssessmentNetwork AdministrationCisco Networking SwitchesIAT II CertificationOperational Technology Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cybersecurity AssessmentNetwork AdministrationCisco Networking SwitchesSEL OT-SDN SwitchesNetwork Cabling InfrastructureVMwareHyper-VNESSUS Vulnerability ScanningTechnical Documentation AnalysisCybersecurity Countermeasures

Soft Skills

InitiativeMentoringProblem SolvingSelf-Starter

Tools & Technologies

Network Appliance Storage ArraysOperational TechnologyIndustrial Control Systems

Certifications & Qualifications

IAT II CertificationSecurity+Net+CCNA

Industry Keywords

CybersecurityInformation System Security EngineerThreat MonitoringInteroperability ChallengesQuality Control

Tech Stack

Tools & technologies

Cyber SecurityVMware

About the role

Key responsibilities & impact

Conduct cybersecurity assessments
Perform security design engineering
Monitor threats
Perform quality control of processes and products
Mentor junior system administrators
Produce and provide support to working groups and committees as a knowledgeable authority
Resolve interoperability challenges
Support hardware acquisition
Implement cybersecurity countermeasures
Detect threats
Help maintain the overall cybersecurity posture of operational technology and industrial control systems
Support reliable networks for critical missions

Requirements

What you’ll need

2+ years of experience with network administration
Experience with maintaining Cisco networking switches
Experience with maintaining Schweitzer Engineering Laboratories (SEL) OT-SDN switches
Experience with maintaining network cabling infrastructure, including copper and fiber cabling
Ability to take initiative and make recommendations on existing infrastructures
Ability to author, interpret, and analyze technical documentation
Ability to obtain a Secret clearance
HS diploma or GED
Ability to obtain IAT II Certification such as Security+ within 30 days of start date
5+ years of experience with network administration preferred
Experience with maintaining VMware and Hyper-V hosts and virtual machines (VMs) and maintaining Network Appliance storage arrays or technologies preferred
Experience with NESSUS vulnerability scanning preferred
Experience in assisting with security-related or Information System Security Engineer (ISSE) matters preferred
Knowledge of Operational Technology and Industrial Control Systems preferred
Top Secret clearance preferred
Ability to be a self-starter preferred
Associate's degree preferred
Net+ or CCNA certification preferred
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information

Benefits

Comp & perks

Health benefits
Life benefits
Disability benefits
Financial benefits
Retirement benefits
Paid leave
Professional development
Tuition assistance
Work-life programs
Dependent care
Recognition awards program
Identity verification and fraud protection process
Camera-enabled interviews and assessments
Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs