Sr. Splunk Engineer - TS/SCI with CI Poly

MISSION BOX SOLUTIONS INC; Chantilly (VA); On-site; USD 185,400 - 226,600; Full time

Benefits offered by this job

Work/life balance

Professional training resources

Volunteer opportunities

Technology to work remotely

Job summary

MISSION BOX SOLUTIONS INC is looking for a Sr. Splunk Engineer to join their cybersecurity team in Chantilly, VA. The role involves managing and optimizing the Splunk platform, creating reports, troubleshooting, and mentoring junior engineers. Required qualifications include a TS/SCI with CI polygraph, security certifications, and 7-10 years of related experience. The position offers competitive salary, work-life balance, and opportunities to work on advanced cybersecurity projects.

Qualifications

• Currently holds a TS/SCI with CI polygraph.
• 7-10 years of related work experience.
• Experience with Splunk SOAR and Splunk Enterprise Security is a plus.
• Strong Linux and scripting experience.
• Experience in classified environments.

Responsibilities

• Create custom Splunk reports, dashboards, and content.
• Troubleshoot Splunk instances.
• Anayze client cybersecurity needs.
• Mentor Associate, Level I, and II Engineers.

Skills

Splunk Core certification

Security Certification (Security+, CISSP, or equivalent)

Python

Ansible

Terraform

JSON

Collaboration and teamwork

Problem-solving skills

Understanding of SIEM, cybersecurity, and infrastructure

Job description

Sr. Splunk Engineer - TS/SCI with CI Poly

Full Time • Chantilly, VA

We are seeking a highly skilled Sr. Splunk Engineer to join a cybersecurity team supporting federal managed and advanced services. This role is responsible for implementing, managing, and optimizing the Splunk platform to automate and orchestrate security operations, develop custom playbooks, integrate with other security tools, and enhance the overall security posture.

Responsibilities

• Create custom Splunk reports, dashboards, and content per customer requirements.
• Troubleshoot Splunk instances and execute all tasks outlined in the scope of work with minimal oversight.
• Work with clients to analyze and understand their cybersecurity needs and objectives.
• Serve as the escalation point for complex issues and provide technical leadership.
• Mentor and aid Associate, Level I, and Level II Engineers on sophisticated tasking.

Qualifications

• Currently holds a TS/SCI with CI polygraph.
• Security Certification (Security+, CISSP, or equivalent).
• Splunk Core certification.
• 7-10 years of related work experience.
• Experience operating in classified environments.
• Strong understanding of identity, SIEM, cybersecurity, and infrastructure concepts.
• Experience with or interest in learning Splunk SOAR, Splunk Enterprise Security, and Cribl Stream.
• Strong Linux and scripting experience (Python, Ansible, Terraform, JSON).
• Security Operations Center (SOC) experience.
• Strong interpersonal skills, collaborative teamwork, and ability to communicate complex messages clearly.
• Excellent problem‑solving skills with keen attention to detail.
• Willingness to travel to meet client needs.

Benefits

• Work/life balance.
• Professional training resources.
• Opportunities to solve unique, complex projects through creative problem‑solving.
• Volunteer opportunities through an employee community program.
• Ability and technology to work remotely/from home where applicable.
• Work in classified environments with cutting‑edge cybersecurity technology and Splunk platforms.
• Willingness to travel based on client needs.

Location: Chantilly, VA

Schedule: Full-time with leadership and mentorship responsibilities

$206,000 per year.