Cyber Threat Hunter
About The Position
Advance your career while impacting our national security in cyber as an Information Security Analyst Senior at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government. MEANINGFUL WORK AND PERSONAL IMPACT The Cyber Threat Hunter is responsible for proactively identifying, analyzing, and mitigating advanced cyber threats targeting enterprise, on-prem, cloud, and mission systems. This role leverages threat intelligence, behavioral analytics, hypothesis-driven hunting, adversary tactics/techniques/procedures (TTPs), and automation to detect malicious activity not identified by traditional security controls. Provide continuous monitoring of alert queues, triage security events, and monitor the health of data sources related to security sensors and endpoint security agents. The ideal candidate possesses deep expertise in threat hunting methodologies, cyber threat intelligence (CTI), log analytics, scripting, cloud security, and SIEM technologies such as Splunk ES and Elastic. This role supports defensive cyber operations across on-premises, hybrid, and cloud environments.
Requirements
- Cyber Operations
- Cyber Threat Analysis
- Cyber Threat Hunting
- Cyber Threat Intelligence
- Cyber Threat Prevention
- 4+ years cybersecurity experience with 2+ years in threat hunting, SOC, IR, or CTI.
- Experience in DoW, Intelligence Community, or federal cyber environments preferred.
- Strong experience with Splunk or other SIEM platforms.
- Strong knowledge of CTI lifecycle and intelligence-driven defense.
- Experience creating hunt hypotheses and conducting structured hunts.
- Deep understanding of Windows, Linux, Active Directory, networking, and DNS.
- Knowledge of tools such as Trellix ESS, Splunk ES, Splunk SOAR, MAR/HX, NSM, Varonis, IDS, Stealthwatch, Cylance and ForeScout as duties performing cyber incident response and analysis.
- Familiarity with malware behavior and attacker tradecraft.
- Experience with cloud technologies (AWS, Azure, GCP).
- Experience with one or more: Ability to write or understand code in one or more: Python PowerShell Bash SQL Kusto Query Language JSON / YAML / Regex parsing
- Top Secret/SCI Clearance
- US citizenship required
Nice To Haves
- DoD 8570 / 8140 compliant certification preferred such as: CompTIA Security+ CySA+ CASP+ GIAC (GCIH, GCFA, etc.)
Responsibilities
- Conduct proactive and reactive threat hunts across enterprise networks, endpoints, servers, and cloud environments.
- Develop and execute hypothesis-based hunts using known adversary TTPs.
- Identify stealthy, persistent, or anomalous activity missed by automated detections.
- Pivot across multiple data sources to validate suspicious indicators.
- Leverage internal and external CTI feeds to enrich hunting operations.
- Translate intelligence reports into hunt hypotheses and detections.
- Analyze nation-state, criminal, and insider threat activity.
- Map adversary behavior to MITRE ATT&CK framework.
- Utilize Splunk or Elastic SIEM for advanced correlation searches, dashboards, detections, and threat investigations.
- Correlate logs from firewalls, EDR, DNS, authentication, proxy, cloud, and network sources.
- Tune detections to reduce false positives and improve fidelity.
- Perform hunts within cloud environments such as Amazon Web Services, Microsoft Azure, and Google Cloud.
- Analyze cloud control plane logs, IAM activity, API abuse, storage misuse, and lateral movement.
- Hunt for persistence techniques in SaaS / IaaS / PaaS environments.
- Develop scripts and automations to accelerate hunting and investigations.
- Build repeatable hunt playbooks and workflows.
- Integrate tools using APIs, SOAR, or custom automation.
- Automate enrichment of indicators and triage processes.
- Provide advanced analytical support to Incident Response teams.
- Validate indicators of compromise (IOCs)
- Support containment and eradication during active incidents.
Benefits
- Comprehensive benefits and wellness packages
- 401K with company match
- Competitive pay and paid time off
- Full flex work weeks where possible
- Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
- Short and long-term disability benefits
- Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
