Optiv

Sr. Splunk Engineer - TS/SCI with CI Poly | Chantilly, VA

13454 Sunrise Valley Dr, Herndon, VA 20171-3277

Full-time

First seen by offpeak October 4, 2026

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Optiv + ClearShark is looking for a highly skilled Sr. Splunk Engineer to join our cybersecurity team. The ideal candidate will be responsible for implementing, managing, and optimizing the Splunk platform to automate and orchestrate security operations. This role requires expertise in developing custom playbooks for various stakeholders, integrating with other security tools, and enhancing the overall security posture of the organization.

How you’ll make an impact

Create custom Splunk reports, dashboards, and content per customer requirements.
Ability to troubleshoot Splunk instances.
Execute all tasks outlined in the scope of work and follow standard operating procedures with minimal oversight.
Work with clients to analyze and understand their needs and objectives.
Serve as the escalation level for complex issues as necessary.
Aid Associate, Level I, and Level II Engineers on sophisticated tasking.

What we’re looking for

Currently holds a TS/SCI with CI polygraph.
Security Certification (i.e, Security+, CISSP, etc) required.
7-10 years of related work experience required.
Experience operating in classified environments.
Strong understanding of identity, SIEM, cybersecurity, and infrastructure concepts.
Splunk Core certification required.
Splunk IT Service Intelligence (ITSI) certification desired.
Splunk Certified Architect/Consultant preferred.
Experience with, or interest in, learning, deploying, and maintaining Splunk SOAR.
Experience with, or interest in, learning, deploying, and maintaining Splunk Enterprise Security.
Experience with, or interest in, learning, deploying, and maintaining Cribl Stream.
Robust understanding of identity, SIEM, cybersecurity, and infrastructure concepts.
Strong Linux and scripting (Python, Ansible, Terraform, JSON, others) experience.
Experience working in a Security Operations Center (SOC).
Experience operating in classified environments.
Initial understanding of leadership concepts and ideas.
Strong interpersonal skills and ability to work collaboratively in a team.
Ability to clearly communicate complex messages to a variety of audiences.
Excellent problem-solving skills with a keen attention to detail.
Willingness to travel to meet client needs.
Open to government workers and/or government experience.

What you can expect from Optiv

Work/life balance
Professional training resources
Creative problem-solving and the ability to tackle unique, complex projects
Volunteer Opportunities. “Optiv Chips In” encourages employees to volunteer and engage with their teams and communities.
The ability and technology necessary to productively work remotely/from home (where applicable)

EEO Statement

Optiv + ClearShark is an equal opportunity employer. All qualified applicants for employment will be considered without regard to race, color, religion, sex, gender identity or expression, sexual orientation, pregnancy, age 40 and over, marital status, genetic information, national origin, status as an individual with a disability, military or veteran status, or any other basis protected by federal, state, or local law.

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