Cybersecurity Engineer Senior
Job Location:
Washington, DC - USA
Monthly Salary:
Not provided by the employer
Posted:
18 October 2026 (Yesterday)
Application Deadline:
15 January 2027
Vacancies:
1 Vacancy
Job Summary
Labor Category / Position Title Cybersecurity Engineer Sr. Principal
Special Skillset (Optional) Senior Cybersecurity Engineer - Firewall & Network Security
The Senior Cybersecurity Engineer provides advanced cybersecurity engineering expertise to protect enterprise systems networks applications and data. This role is responsible for designing implementing maintaining and optimizing security technologies while supporting the organizations cybersecurity strategy and operational objectives.
The position serves as a technical leader for network and perimeter security ensuring security controls are effectively implemented to protect critical infrastructure. The Senior Cybersecurity Engineer proactively assesses threats vulnerabilities and risks develops mitigation strategies and collaborates across teams to strengthen the organizations security posture.
Key Responsibilities
Lead the design implementation administration and optimization of enterprise firewall technologies including Palo Alto Networks firewalls and related security platforms.
Manage firewall policies rule reviews configuration changes and security architecture recommendations while ensuring compliance with established security standards.
Analyze and respond to network security threats vulnerabilities and security incidents.
Perform security risk assessments and provide recommendations to improve network cloud and application security.
Support and maintain Intrusion Detection and Prevention Systems (IDS/IPS) Web Application Firewalls (WAF) VPN technologies and network access controls.
Collaborate with infrastructure networking cloud and application teams to integrate security requirements into solution designs and implementations.
Support cloud security initiatives across AWS and Microsoft Azure environments.
Develop and maintain security engineering documentation network security diagrams standards procedures and operational runbooks.
Lead security technology projects and provide technical guidance to project teams throughout the system development lifecycle.
Conduct security reviews of new systems technologies and architectural designs.
Participate in incident response threat hunting root cause analysis and forensic investigations as required.
Monitor security events through SIEM platforms and partner with Security Operations teams to identify and remediate threats.
Automate operational security functions using scripting languages such as Python PowerShell or Bash.
Ensure security controls and configurations comply with NIST CIS PCI-DSS HIPAA and other applicable regulatory and industry standards.
Provide mentorship and technical guidance to junior security staff and project teams.
Support planned and unplanned maintenance activities including after-hours implementations and incident response activities.
Required Qualifications
Bachelors degree in Cybersecurity Information Technology Computer Science Engineering or a related field.
Minimum 11 years of cybersecurity engineering experience with a focus on network and firewall security.
Extensive hands-on experience administering Palo Alto Networks firewalls in large enterprise environments.
Strong understanding of TCP/IP networking routing switching VPNs WAN/LAN technologies and network security architecture.
Experience managing IDS/IPS SIEM EDR DLP CASB and other enterprise security technologies.
Experience supporting security operations within AWS and Microsoft Azure environments.
Advanced knowledge of vulnerability management risk assessment methodologies and security frameworks.
Experience with scripting and automation using Python PowerShell Bash or similar languages.
Strong understanding of NIST CIS Controls PCI-DSS HIPAA ISO 27001 and industry cybersecurity best practices.
Excellent communication stakeholder management and problem-solving skills.
Preferred Qualifications
Masters degree in Cybersecurity Information Technology or related discipline.
Professional certifications such as CISSP CEH Security GIAC PCNSE CCNP Security or equivalent.
Experience supporting Security Operations Center (SOC) functions.
Experience with cloud-native security tools and zero-trust security architectures.
Experience developing security automation and orchestration solutions.
***Lumen and / or its clients will not provide equipment (Laptop monitor etc.) to the selected contractor. The contractor must have their own equipment. Access to a virtual desktop set up (software) will be provided by Lumens client allowing the user access to the required systems and technology.***
Special Skillset (Optional) Senior Cybersecurity Engineer - Firewall & Network Security
The Senior Cybersecurity Engineer provides advanced cybersecurity engineering expertise to protect enterprise systems networks applications and data. This role is responsible for designing implementing maintaining and optimizing security technologies while supporting the organizations cybersecurity strategy and operational objectives.
The position serves as a technical leader for network and perimeter security ensuring security controls are effectively implemented to protect critical infrastructure. The Senior Cybersecurity Engineer proactively assesses threats vulnerabilities and risks develops mitigation strategies and collaborates across teams to strengthen the organizations security posture.
Key Responsibilities
Lead the design implementation administration and optimization of enterprise firewall technologies including Palo Alto Networks firewalls and related security platforms.
Manage firewall policies rule reviews configuration changes and security architecture recommendations while ensuring compliance with established security standards.
Analyze and respond to network security threats vulnerabilities and security incidents.
Perform security risk assessments and provide recommendations to improve network cloud and application security.
Support and maintain Intrusion Detection and Prevention Systems (IDS/IPS) Web Application Firewalls (WAF) VPN technologies and network access controls.
Collaborate with infrastructure networking cloud and application teams to integrate security requirements into solution designs and implementations.
Support cloud security initiatives across AWS and Microsoft Azure environments.
Develop and maintain security engineering documentation network security diagrams standards procedures and operational runbooks.
Lead security technology projects and provide technical guidance to project teams throughout the system development lifecycle.
Conduct security reviews of new systems technologies and architectural designs.
Participate in incident response threat hunting root cause analysis and forensic investigations as required.
Monitor security events through SIEM platforms and partner with Security Operations teams to identify and remediate threats.
Automate operational security functions using scripting languages such as Python PowerShell or Bash.
Ensure security controls and configurations comply with NIST CIS PCI-DSS HIPAA and other applicable regulatory and industry standards.
Provide mentorship and technical guidance to junior security staff and project teams.
Support planned and unplanned maintenance activities including after-hours implementations and incident response activities.
Required Qualifications
Bachelors degree in Cybersecurity Information Technology Computer Science Engineering or a related field.
Minimum 11 years of cybersecurity engineering experience with a focus on network and firewall security.
Extensive hands-on experience administering Palo Alto Networks firewalls in large enterprise environments.
Strong understanding of TCP/IP networking routing switching VPNs WAN/LAN technologies and network security architecture.
Experience managing IDS/IPS SIEM EDR DLP CASB and other enterprise security technologies.
Experience supporting security operations within AWS and Microsoft Azure environments.
Advanced knowledge of vulnerability management risk assessment methodologies and security frameworks.
Experience with scripting and automation using Python PowerShell Bash or similar languages.
Strong understanding of NIST CIS Controls PCI-DSS HIPAA ISO 27001 and industry cybersecurity best practices.
Excellent communication stakeholder management and problem-solving skills.
Preferred Qualifications
Masters degree in Cybersecurity Information Technology or related discipline.
Professional certifications such as CISSP CEH Security GIAC PCNSE CCNP Security or equivalent.
Experience supporting Security Operations Center (SOC) functions.
Experience with cloud-native security tools and zero-trust security architectures.
Experience developing security automation and orchestration solutions.
***Lumen and / or its clients will not provide equipment (Laptop monitor etc.) to the selected contractor. The contractor must have their own equipment. Access to a virtual desktop set up (software) will be provided by Lumens client allowing the user access to the required systems and technology.***
Lumen Solutions Group Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.
Required Experience:
IC