Senior Cybersecurity Engineer

On site in Washington, DC, this senior cybersecurity engineering role centers on designing, implementing, securing, and maintaining Splunk environments to support federal cybersecurity operations and enterprise security analytics within a government contracting setting. The position offers a competitive annual salary range of $135,000 to $216,000 and a benefits program designed to support health, financial security, and work‑life balance. You will join a collaborative, mission‑driven team that values expertise, mentorship, and delivering robust security visibility across classified and unclassified environments.

Compensation for this role ranges from $135,000 to $216,000 per year. Depending on the scope, applicants may be eligible for overtime, shift differential, and a discretionary bonus.

Benefits

• Medical
• Dental
• Vision
• Life
• Health savings account
• Short-term disability
• Long-term disability
• Employee assistance program
• Parental leave
• 401(k)
• Paid time off for vacation
• Company paid holidays

Responsibilities

• Design, deploy, manage, and optimize enterprise Splunk architectures to support federal cybersecurity operations and mission requirements.
• Build and sustain scalable data ingestion, indexing, normalization, correlation, visualization, alerting, and reporting across both classified and unclassified environments.
• Develop and maintain Splunk Enterprise Security use cases, correlation searches, dashboards, threat detections, and automated alerting.
• Collaborate with government customers, ISSOs, ISSMs, SOC analysts, system administrators, and program leadership to capture operational and compliance needs.
• Integrate Splunk with enterprise security technologies such as firewalls, IDS/IPS, EDR, vulnerability management tools, IAM systems, cloud security platforms, and network monitoring solutions.
• Support Security Operations Center activities including threat hunting, incident response, forensic investigations, and continuous monitoring initiatives.
• Apply cybersecurity best practices and hardening standards to Splunk infrastructure in alignment with federal security requirements.
• Ensure Splunk environments comply with federal frameworks including NIST 800-53, RMF, FISMA, DOE cybersecurity directives, Zero Trust Architecture, and CDM requirements.
• Develop custom Splunk applications, APIs, scripts, and automation workflows to improve operational efficiency and security visibility.
• Perform system upgrades, patch management, performance tuning, troubleshooting, and capacity planning for distributed Splunk environments.
• Support Authority to Operate processes by creating and maintaining the necessary cybersecurity documentation, artifacts, and audit evidence.
• Create and maintain architecture diagrams, standard operating procedures, security documentation, and technical implementation guides.
• Provide technical leadership, mentorship, and guidance to junior engineers and cybersecurity analysts.
• Participate in cybersecurity assessments, audits, tabletop exercises, and compliance reviews.

Requirements

• Educational pathway: 16 years of schooling with a high school diploma, or 12 years with a bachelor’s, 10 years with a master’s, or 7 years with a PhD. A bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Engineering, or related field is preferred; equivalent experience may be substituted.
• Proven expertise with distributed Splunk architectures.
• Experience supporting Security Operations Centers and enterprise continuous monitoring programs.
• Track record of designing and operating systems in compliance with NIST 800-53, RMF, FISMA, Zero Trust Architecture, DOE directives, and related federal requirements.
• Solid understanding of cybersecurity concepts including threat detection, incident response, vulnerability management, identity management, and network security.
• Strong analytical, troubleshooting, and communication skills.
• Ability to operate effectively in fast-paced, mission-focused government environments.
• Ability to obtain a DOE Q or SCI clearance.
• Core technologies: Splunk and Splunk Enterprise Security.

Peraton is an equal opportunity employer, including individuals with disabilities and protected veterans.