Sr OT Cyber Defense Systems Engineer

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Location: BALTIMORE, MD, United States
Organization: Exelon Business Servcs Co, LLC
Job ID: 238604
Date Posted: Jul 27, 2022
Job: Security

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Job Description


At Exelon, we've got a place for you!

Join the nation's leading competitive energy provider, with one of the largest electricity generation portfolios and retail customer bases in the country. You will be part of a family of companies that strives for the highest standards of power generation, competitive energy sales, and energy delivery. Our team of outstanding professionals is focused on performance, thought leadership, innovation, and the power of ideas that come from a diverse and inclusive workforce.

Exelon will provide you the tools and resources you need to design, build and enhance a successful career. We are also dedicated to motivating the success of our employees through competitive base salary, incentives, and health and retirement benefits.

Join Exelon and share your passion at a forward-thinking Fortune 100 company. Establish yourself in a place where you can truly shine and create a brighter, more sustainable tomorrow. Energize your career at Exelon!


Responsible for the maintenance and operation of  ICS SOC monitoring tools, servers and appliances. Tests, implements, deploys, maintains, reviews, and administers the infrastructure hardware, software, and documentation that are required to effectively manage network defense.


- Continually monitor, refine & improve upon the security technologies utilized by the ISOC and Cybersecurity for OT monitoring. Perform system administration on specialized cyber defense applications and systems (e.g., ticketing system, SIEM, appliances, etc.) to include installation, configuration, maintenance, backup and restoration. Build, install, configure, and test dedicated cyber defense hardware.

- Deploy new OT data source feeds into Splunk & develops initial content for monitoring. Engage with and maintain close relationship with ISOC & OT  teams to understand use case needs. Monitor Splunk infrastructure performance

- Installation, configuration, maintenance, and deployment of RHEL servers according to documentation

- Installation, configuration, and maintenance of cyber security applications.

- Create and maintain extensive documentation of system configuration and maintenance procedures including required OT Security Governance documentation

- Creation of scripts to facilitate server maintenance

- Lead projects to further enhance security technologies, practices, processes




- Bachelor’s Degree in Computer Science, Information Technology (IT), or a related discipline, and typically 5 or more years of solid, diverse experience in cyber security systems operations, or equivalent combination of education and work experience.

- At least 3 years of demonstrated experience in the energy sector 

- 5+ years of experience as administrator of Linux servers in large enterprise environment

- Knowledge of systems administration concepts.    

- Skill in conducting system/server planning, management, and maintenance.

- Skill in correcting physical and technical problems that impact system/server performance.    

- Familiarity working in restricted network

- Experience and capability with one or more scripting languages including perl, python, shell scripting including bash and other shells

- Experience with installation, configuration and maintenance of open source software including OpenSSH, OpenSSL, Squid, OpenLDAP

- Experience maintaining central authentication infrastructure for Linux fleet including LDAP

- Experience managing vendor relationships, obtaining support from vendors

- Proven analytical and problem solving skills

- Knowledge of systems testing and evaluation methods.    


- Graduate degree in cyber security or related area of expertise.

- At least 3 years of experience as part of an electric utility

- Ability to demonstrate analytical skills, technical knowledge, and practical application of cyber and information security principles to business leaders and technical staff.

- Industry certifications including Linux and cyber security certifications 

- Skill in using security event correlation tools.

- Knowledge of system life cycle management principles, including software security and usability.    

- Demonstrated knowledge of cyber defense policies, procedures, and regulations.

- Demonstrated advanced knowledge in the area of Cyber SOC operations; particularly in Cyber Security Systems Engineering

- Knowledge of local specialized system requirements (e.g., Industrial Control Systems that may not use standard information technology [IT]) for safety, performance, and reliability.    

Exelon is proud to be an equal opportunity employer and employees or applicants will receive consideration for employment without regard to: age, color, disability, gender, national origin, race, religion, sexual orientation, gender identity, protected veteran status, or any other classification protected by federal, state, or local law.

VEVRAA Federal Contractor

EEO is the Law 


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