Sr Cyber Defense Sys Engineer
Constellation Energy
Annapolis, MD · Posted October 28, 2026
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Where Annapolis, MD ranks
Where Annapolis, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #2Best all-round cities for new graduates in the Mid-Atlantic68 / 100 · of 37
- #4Best cities for entry-level and junior jobs42% · of 100
- #5Best college towns for entry-level and junior jobs44% · of 100
- #5Best college towns for junior jobs in the Mid-Atlantic44% · of 55
- #5Best cities for junior jobs in the Mid-Atlantic42% · of 85
- #7Best all-round cities for new graduates66 / 100 · of 100
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
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Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Who We Are
As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.
Total Rewards
Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more.
Expected salary range of $121,500 to $135,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).
Primary Purpose of Position
Responsible for the maintenance and operation of the Cyber Security Operations Center (CSOC) and for providing targeted security advisory services. Tests, implements, deploys, maintains, reviews, and administers the infrastructure hardware, software, and documentation that are required to effectively manage network defense. Enables the Cyber SOC to meet key performance metrics across five key capabilities: Security Monitoring, Incident Handling & Response, Digital Forensics & eDiscovery, Cyber Threat Intelligence, and Technical Solutions Development. Responsible for the creation of content for use in monitoring toolsets while maintaining a uniform view of security monitoring architecture. Tests, implements, deploys, maintains, and administers the infrastructure hardware and software.
Primary Duties and Accountabilities
Deploy new data source feeds into SIEM & develops initial content for monitoring
Monitor SIEM infrastructure performance
Continually monitor, refine & improve upon the security technologies utilized by the CSOC. Perform system administration on specialized cyber defense applications and systems (e.g., EDR, Cloud and Email Security, SIEM, appliances) to include installation, configuration, maintenance, backup and restoration. Build, install, configure, and test dedicated cyber defense hardware.
Provide Log & Monitoring Design Services. Identify potential conflicts with implementation of any cyber defense capability (e.g., tool testing and optimization).
Provide Security Advisory Services
Assist in identifying, prioritizing, and coordinating the protection of critical cyber defense infrastructure and key resources.
Responsible for SOC Release Management & SOC Change Management
Assure that all equipment, systems, applications & appliances of threat & vulnerability management technologies are available & running effectively.
Assist in assessing the impact of implementing and sustaining a dedicated cyber defense infrastructure.
Lead projects to further enhance security technologies, practices, processes
Minimum Qualifications
Bachelor's degree and 5-years relevant experience, in lieu of degree 9 years of relevant experience
5-years solid, diverse experience in cyber security vulnerability assessments, or equivalent combination of education and work experience
Knowledge in the following core technical competencies: SIEM , EDR, Microsoft security suite, Linux, Palo Alto, Operations, Engineering, Content Development, Internetworking, TCP IP, Cribl or BindPlane
Strong knowledge of the Software Development Life Cycle (SDLC) and digital product development
Knowledge of how network services and protocols interact to provide network communications.
Knowledge of Security principles such as Threat Lifecycle Management & Incident Management & Lifecycle.
Knowledge of Cyber SOC processes and Cyber SOC Engineering
Knowledge of network protocols (e.g., Transmission Control Protocol/Internet Protocol [TCP/IP], Dynamic Host Configuration Protocol [ DHCP] and directory services (e.g., Domain Name System [DNS], Active Directory)
Knowledge of network traffic analysis methods
Knowledge of packet level analysis using appropriate tools (e.g., Wireshark).
Knowledge of basic system administration, network, and operating system hardening techniques
Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense in-depth).
Knowledge of OSI model and underlying network protocols (e.g., TCP/IP, Dynamic Host Configuration Protocol [DHCP]), and directory services (e.g., Domain Name System [DNS]).)
Skill in troubleshooting and diagnosing cyber defense infrastructure anomalies and work through resolution
Skill in securing network communications
Knowledge of protecting a network against malware
Knowledge of web filtering technologies
Knowledge of cyber defense policies, procedures, and regulations
Knowledge of test procedures, principles, and methodologies (e.g., Capabilities and Maturity Model Integration (CMMI))
Knowledge of basic system, network, OS hardening techniques and security benchmarks
Preferred Qualifications
Experience with Data Pipelines
Graduate degree in cyber security or related area of expertise.
Ability to demonstrate analytical skills, technical knowledge, and practical application of cyber and information security principles to business leaders and technical staff
Skill in using security event correlation tools
In-depth knowledge of cyber security program elements such as Policy Development, Application Security, Information Security, Network Security, Disaster Recovery Planning, Operational Security, Incident Response, and End User Education
CIM Normalization
Primary Purpose of Position
Responsible for the maintenance and operation of the Cyber Security Operations Center (CSOC) and for providing targeted security advisory services. Tests, implements, deploys, maintains, reviews, and administers the infrastructure hardware, software, and documentation that are required to effectively manage network defense. Enables the Cyber SOC to meet key performance metrics across five key capabilities: Security Monitoring, Incident Handling & Response, Digital Forensics & eDiscovery, Cyber Threat Intelligence, and Technical Solutions Development. Responsible for the creation of content for use in monitoring toolsets while maintaining a uniform view of security monitoring architecture. Tests, implements, deploys, maintains, and administers the infrastructure hardware and software.
Primary Duties and Accountabilities
Deploy new data source feeds into SIEM & develops initial content for monitoring
Monitor SIEM infrastructure performance
Continually monitor, refine & improve upon the security technologies utilized by the CSOC. Perform system administration on specialized cyber defense applications and systems (e.g., EDR, Cloud and Email Security, SIEM, appliances) to include installation, configuration, maintenance, backup and restoration. Build, install, configure, and test dedicated cyber defense hardware.
Provide Log & Monitoring Design Services. Identify potential conflicts with implementation of any cyber defense capability (e.g., tool testing and optimization).
Provide Security Advisory Services
Assist in identifying, prioritizing, and coordinating the protection of critical cyber defense infrastructure and key resources.
Responsible for SOC Release Management & SOC Change Management
Assure that all equipment, systems, applications & appliances of threat & vulnerability management technologies are available & running effectively.
Assist in assessing the impact of implementing and sustaining a dedicated cyber defense infrastructure.
Lead projects to further enhance security technologies, practices, processes
Minimum Qualifications
Bachelor's degree and 5-years relevant experience, in lieu of degree 9 years of relevant experience
5-years solid, diverse experience in cyber security vulnerability assessments, or equivalent combination of education and work experience
Knowledge in the following core technical competencies: SIEM , EDR, Microsoft security suite, Linux, Palo Alto, Operations, Engineering, Content Development, Internetworking, TCP IP, Cribl or BindPlane
Strong knowledge of the Software Development Life Cycle (SDLC) and digital product development
Knowledge of how network services and protocols interact to provide network communications.
Knowledge of Security principles such as Threat Lifecycle Management & Incident Management & Lifecycle.
Knowledge of Cyber SOC processes and Cyber SOC Engineering
Knowledge of network protocols (e.g., Transmission Control Protocol/Internet Protocol [TCP/IP], Dynamic Host Configuration Protocol [ DHCP] and directory services (e.g., Domain Name System [DNS], Active Directory)
Knowledge of network traffic analysis methods
Knowledge of packet level analysis using appropriate tools (e.g., Wireshark).
Knowledge of basic system administration, network, and operating system hardening techniques
Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense in-depth).
Knowledge of OSI model and underlying network protocols (e.g., TCP/IP, Dynamic Host Configuration Protocol [DHCP]), and directory services (e.g., Domain Name System [DNS]).)
Skill in troubleshooting and diagnosing cyber defense infrastructure anomalies and work through resolution
Skill in securing network communications
Knowledge of protecting a network against malware
Knowledge of web filtering technologies
Knowledge of cyber defense policies, procedures, and regulations
Knowledge of test procedures, principles, and methodologies (e.g., Capabilities and Maturity Model Integration (CMMI))
Knowledge of basic system, network, OS hardening techniques and security benchmarks
Preferred Qualifications
Experience with Data Pipelines
Graduate degree in cyber security or related area of expertise.
Ability to demonstrate analytical skills, technical knowledge, and practical application of cyber and information security principles to business leaders and technical staff
Skill in using security event correlation tools
In-depth knowledge of cyber security program elements such as Policy Development, Application Security, Information Security, Network Security, Disaster Recovery Planning, Operational Security, Incident Response, and End User Education
CIM Normalization