Senior Splunk Engineer

Chenega Corporation; Oakton (VA); On-site; USD 145,000 - 215,000; Full time

Job summary

Chenega MIOS in Arlington, VA is seeking a Senior Splunk Engineer to lead the design, deployment, and optimization of enterprise SIEM capabilities. You will build dashboards, alerts, and correlation searches, and work across security and networking teams to improve threat visibility.

The role requires deep Splunk expertise, robust knowledge of TCP/IP and packet analysis, and the ability to operate in secure enclave environments.

Qualifications

• Bachelor’s degree or equivalent IT experience with security focus.
• 12+ years in cybersecurity or network engineering with Splunk work.
• DoD 8140/8570 IAT II level certification required.
• U.S. Citizen with active TS/SCI clearance.

Responsibilities

• Lead design and optimization of Splunk dashboards, alerts, and data ingestion.
• Collaborate with network and ExtraHop teams to integrate flow data into detections.
• Develop network baseline visualizations and identify deviations from logs and traffic.
• Tune ingestion pipelines to reduce false positives and improve signal fidelity.
• Develop Splunk content for firewalls, VPNs, proxies, routers, switches, and endpoints.
• Interpret detection triggers with respect to network flows and packet captures.
• Maintain Splunk components including apps, indexes, forwarders, and CIM data models.
• Produce runbooks and training for SOC teams and stakeholders.
• Support secure enclave deployments of Splunk and mentor junior engineers.
• Other duties as assigned.

Skills

Splunk SPL

Network analysis

Threat detection

Dashboarding

Mentoring

Education

Bachelor's degree

Associate's degree + 2+ years IT

High school diploma + 4+ years IT

DoD 8140/8570 IAT II

TS/SCI clearance

Tools

ExtraHop

SolarWinds

PCAP analysis

Job description

Summary

Senior Splunk Engineer

Arlington, VA

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!

The Senior Splunk Engineer is responsible for developing, maintaining, and optimizing the enterprise SIEM infrastructure with a strong focus on log correlation, alerting, and operational dashboards. This role combines Splunk expertise with advanced network awareness to drive threat detection, baselining, and event correlation across enterprise and air-gapped environments. The ideal candidate collaborates closely with network engineers, threat analysts, and Extra Hop SMEs to interpret packet-level data and refine alert logic for mission-focused visibility.

Responsibilities

• Lead the design and optimization of Splunk dashboards, alerts, correlation searches, and data ingestion for security and network observability


• Collaborate with network and Extra Hop teams to integrate flow data, traffic patterns, and anomalies into actionable Splunk detections


• Support development of network baseline visualizations and identify deviations using correlated log and traffic data


• Tune log sources and ingestion pipelines to improve performance, reduce false positives, and enhance signal fidelity


• Develop and manage Splunk content related to firewalls, VPNs, proxies, routers, switches, and endpoint devices


• Work with analysts to interpret detection triggers in context of network flows, packet captures, and behavior anomalies


• Configure and maintain Splunk components including apps, indexes, forwarders, and CIM data models


• Produce documentation, runbooks, and training for SOC teams and technical stakeholders


• Operate in both connected and disconnected environments; support secure enclave deployments of Splunk


• Mentor junior engineers and analysts in SPL, dashboarding, and detection development


• Other duties as assigned

Qualifications

• Bachelor’s degree in a related field OR


• Associates degree with an additional 2+ years of relevant IT experience OR


• High school diploma or GED equivalent with an additional 4+ years of directly related IT experience in lieu of degree


• 12+ years of cybersecurity or network engineering experience with 3+ years of Splunk engineering and content development
  
  
  
  • Hands-on experience with Splunk Enterprise and Enterprise Security (ES) in air-gapped or mission-secure environments
  
  
  
  


• Must hold a current DoD 8140 (or 8570) baseline certification at the IAT Level II or higher (e.g., CompTIA Security+)


• U.S. Citizen with active TS/SCI clearance.

Knowledge, Skills and Abilities:

• Expert-level Splunk SPL development and content creation


• Strong understanding of TCP/IP, packet structures, and network traffic analysis


• Familiarity with Extra Hop, SolarWinds, and PCAP-based threat identification


• Ability to correlate multi-source logs with behavioral and network data to create high-fidelity detections


• Experience tuning and normalizing data to align with Splunk CIM and ES frameworks


• Proficiency with regex, lookup tables, macros, and dashboard visualizations


• Excellent documentation and mentoring skills


• Comfortable working across cyber, networking, and threat teams to improve detection and visibility

How you’ll grow

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn.

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.

Benefits

At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits.

Learn more about what working at Chenega MIOS can mean for you.

Chenega MIOS’s culture

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives.

Corporate citizenship

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities.

Learn more about Chenega’s impact on the world.

Chenega MIOS News- https://chenegamios.com/news/

Tips from your Talent Acquisition Team

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links:

Chenega MIOS web site - www.chenegamios.com

Glassdoor - https://www.glassdoor.com/Overview/Working-at-Chenega-MIOS-EI_IE369514.11,23.htm

LinkedIn - https://www.linkedin.com/company/1472684/

Facebook - https://www.facebook.com/chenegamios/

Estimated Salary/Wage

USD $144,800.00/Yr. Up to USD $215,000.00/Yr.