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Forward Deployed Engineer - Model Engineering - Senior Manager - Consulting - OPEN Location
EY
Denver, CO · Grand Rapids, MI · Akron, OH · Alpharetta, GA · Charleston, WV · Iselin, NJ · Southfield, MI · Raleigh, NC · Louisville, KY · Wichita, KS · Chantilly, VA · Portland, OR · Seattle, WA · Buffalo, NY · Fort Worth, TX · Tucson, AZ · Milwaukee, WI · Arlington, VA · Atlanta, GA · New Orleans, LA · Dallas, TX · San Francisco, CA · Austin, TX · Chicago, IL · Minneapolis, MN · Toledo, OH · Grandview Heights, OH · Tallahassee, FL · Hoboken, NJ · Charlotte, NC · Jericho, NY · Albany, NY · Kansas City, MO · Baltimore, MD · Irvine, CA · Baton Rouge, LA · San Mateo, CA · San Jose, CA · Hartford, CT · Cincinnati, OH · Greenville, SC · Palo Alto, CA · Nashville, TN · Orlando, FL · New Brunswick, NJ · Providence, RI · Pittsburgh, PA · St. Louis, MO · Tulsa, OK · San Antonio, TX · Las Vegas, NV · Cleveland, OH · Washington, DC · Miami, FL · San Diego, CA · Huntsville, AL · Indianapolis, IN · Birmingham, AL · Philadelphia, PA · Detroit, MI · Jacksonville, FL · Salt Lake City, UT · Westlake Village, CA · Rochester, NY · Tampa, FL · Des Moines, IA · Richmond, VA · Sacramento, CA · Boca Raton, FL · Secaucus, NJ · Boston, MA · Los Angeles, CA · Chattanooga, TN · Phoenix, AZ · McLean, VA · Stamford, CT · Memphis, TN · Oklahoma City, OK · Rogers, AR · Houston, TX · New York, NY
As a Forward Deployed Engineer Senior Manager, you will be joining a dynamic and interdisciplinary team of scientists and engineers who love to tackle the most challenging computational…
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Senior Software Engineer, B-Corp | Tech for Good (Temporary, Maternity Leave Cover)
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Data Engineer Principal
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Photonics Engineer Intern - Summer 2027
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Senior Forward Deployed Engineer, Operational AI
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Sr. Principal Software Engineer
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Senior Staff AI Systems Engineer
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Semiconductor RF Test Engineer / Principal Semiconductor RF Test Engineer
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Closed listing

Optiv Federal Inc.

Tenable Engineer - Secret | DC Metro

Washington, DC, United States

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Experience: At least 5 years of relevant cybersecurity engineering, security operations, network-security, threat-detection, incident-response, or security-platform administration experience.
Posting language: English
Posted: Oct 29, 2026

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Original job description

Archived listing. The details below describe a past opening.

Optiv + ClearShark is looking for a Tenable Cybersecurity Engineer is responsible for the design, deployment, configuration, integration, tuning, and operational support of Tenable capabilities across enterprise networks, endpoints, email, cloud, SaaS, identity, and other supported environments. The engineer will work closely with security operations, network engineering, cloud engineering, identity, incident response, and customer stakeholders to improve threat detection, investigation, and response. This position requires a technically strong cybersecurity professional with experience in network detection and response, security monitoring, incident triage, packet and log analysis, security-tool integration, and operational security engineering. The successful candidate will be comfortable working in regulated or federal environments and will translate Tenable detections, behavioral analytics, and AI-assisted investigations into actionable security outcomes. Tenable capabilities may encompass network, endpoint, email, cloud, SaaS, and identity telemetry, with AI-assisted investigation workflows and integrations to SIEM, SOAR, EDR/XDR, cloud, and log-management technologies.

How you’ll make an impact

Design, deploy, configure, administer, and maintain Tenable platform components within on-premises, hybrid-cloud, and cloud-hosted enterprise environments.
Configure and tune Tenable detections, behavioral models, alerting thresholds, autonomous-response policies, and investigative workflows to align with the organization’s threat model, risk tolerance, architecture, and security operations processes.
Lead or support implementation of applicable Tenable capabilities, including network, email, endpoint, cloud, SaaS, and identity-security use cases.
Perform ongoing platform health checks, capacity planning, sensor or collector placement assessments, system upgrades, configuration validation, and technical troubleshooting.
Analyze Tenable model breaches, alerts, anomalies, incident investigations, device behavior, network traffic, and related security telemetry to identify malicious activity, suspicious behavior, false positives, and opportunities for tuning.
Collaborate with SOC analysts, incident responders, threat hunters, network engineers, cloud teams, system administrators, and identity teams to investigate and contain security events.
Develop and maintain use cases for threat detection, triage, investigation, enrichment, and escalation across enterprise security domains.
Configure, test, and maintain integrations between Tenable and enterprise security technologies, including SIEM, SOAR, EDR/XDR, ticketing, vulnerability-management, threat-intelligence, identity, cloud-security, and log-management platforms.
Use APIs, syslog, webhooks, automation, and scripting to exchange security events, enrich detections, automate workflows, and support incident-response processes.
Support security monitoring and incident-response activities by providing deep technical analysis of network, endpoint, email, cloud, SaaS, and identity-related telemetry.
Develop standard operating procedures, implementation guides, architecture diagrams, operational runbooks, escalation procedures, and knowledge-base articles.
Produce clear technical reports and briefings that describe detected activity, risk, root cause, response actions, platform health, tuning recommendations, and security trends.
Participate in security architecture reviews and advise stakeholders on telemetry coverage, sensor placement, segmentation, visibility gaps, logging requirements, and detection strategy.
Support validation of Tenable response actions and ensure automated or semi-automated response capabilities are appropriately governed, tested, approved, and documented before production use.
Maintain awareness of emerging threats, attacker techniques, security-tool capabilities, AI-assisted defense concepts, and relevant MITRE ATT&CK techniques.
Support compliance and audit activities by maintaining security documentation, evidence, configuration records, operating procedures, and implementation artifacts required for the environment.

What we’re looking for

Active Secret clearance required at time of hire.
Bachelor’s degree in cybersecurity, information technology, computer science, engineering, or a related discipline; equivalent combination of education, military training, certifications, and relevant experience may be considered.
At least 5 years of relevant cybersecurity engineering, security operations, network-security, threat-detection, incident-response, or security-platform administration experience.
At least 5 years of experience with Tenable or comparable technologies in one or more of the following categories: Network Detection and Response (NDR), Extended Detection and Response (XDR), Endpoint Detection and Response (EDR), Network Security Monitoring (NSM), Security Information and Event Management (SIEM), User and Entity Behavior Analytics (UEBA), Security Orchestration, Automation, and Response (SOAR)
Email security, cloud security, or identity-threat detection.
Demonstrated hands-on experience deploying, configuring, tuning, administering, and troubleshooting Tenable or similar enterprise cybersecurity platforms.
Strong knowledge of enterprise networking and network-security concepts, including TCP/IP, OSI model, DNS, DHCP, HTTP/S, SMTP, TLS, VPNs, routing, switching, VLANs, firewalls, proxies, network segmentation, and packet capture/analysis.
Experience analyzing network traffic, packet captures, security logs, endpoint telemetry, authentication events, and cloud audit data to support incident detection and investigation.
Experience with security operations processes, including alert triage, investigation, threat hunting, incident escalation, containment, evidence collection, reporting, and post-incident lessons learned.
Experience integrating security tools with SIEM and SOAR platforms, such as Microsoft Sentinel, Splunk, IBM QRadar, Elastic, ServiceNow, Microsoft Defender, Palo Alto Cortex XSOAR, or similar platforms.
Working knowledge of API-based integrations, REST APIs, JSON, webhooks, syslog, authentication methods, and log-forwarding concepts.
Experience with Linux administration and command-line troubleshooting; familiarity with virtual machines, virtualization platforms, and common enterprise operating systems.
Ability to develop basic automation or integration scripts using Python, PowerShell, Bash, or a comparable scripting language.
Strong written and verbal communication skills, including the ability to document technical designs, explain investigation findings, and brief technical and nontechnical stakeholders.
Current Tenable certification
Experience with Tenable / NETWORK, / EMAIL, / ENDPOINT, / CLOUD, and / IDENTITY; Cyber AI Analyst investigations; Threat Visualizer; and autonomous-response capabilities and policy governance.
Experience with Microsoft security technologies, including Microsoft Defender XDR, Microsoft Defender for Endpoint, Defender for Office 365, Entra ID, Microsoft Sentinel, Azure, and Microsoft 365.
Experience with cloud-security monitoring and engineering in AWS, Azure, Azure Government, AWS GovCloud, Google Cloud Platform, or hybrid-cloud environments.
Familiarity with identity-security technologies and authentication telemetry, including Active Directory, Microsoft Entra ID, privileged access management, SSO, MFA, federation, conditional access, and identity threat detection.
Experience working in Department of Defense, intelligence community, federal civilian, defense-industrial-base, or other regulated environments.
Knowledge of NIST RMF, NIST SP 800-53, NIST SP 800-171, NIST Cybersecurity Framework, DoD STIGs, CMMC, FedRAMP, FISMA, DFARS, or other federal cybersecurity requirements.
Experience supporting classified, air-gapped, disconnected, constrained-connectivity, or highly segmented environments.
Familiarity with the MITRE ATT&CK framework, cyber threat intelligence, threat hunting methodologies, intrusion analysis, and adversary tactics, techniques, and procedures.
Relevant certifications such as CISSP, CISM, Security+, CySA+, CEH, GCIH, GCIA, GCED, CCNA, CCNP, PCNSE, AWS Security Specialty, Azure Security Engineer Associate, SC-200, SC-100, Splunk Core Certified Power User, or comparable credentials.
Strong analytical judgment and ability to distinguish normal business activity from potentially malicious or anomalous behavior.
Ability to explain AI-assisted or behavior-based detections in understandable operational and risk-based terms.
Ability to work independently while coordinating effectively across SOC, infrastructure, cloud, identity, network, and leadership stakeholders.
Strong attention to detail in configuration management, change control, evidence collection, documentation, and production implementation.
Ability to manage competing priorities, support time-sensitive incidents, and maintain disciplined escalation procedures.
Commitment to secure engineering, operational rigor, continuous improvement, and customer mission success.

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.

Optiv + ClearShark respects your privacy. By providing your information through this page or applying for a job at Optiv + ClearShark, you acknowledge that Optiv + ClearShark will collect, use, and process your information, which may include personal information and sensitive personal information, in connection with Optiv + ClearShark’s selection and recruitment activities. For additional details on how Optiv + ClearShark uses and protects your personal information in the application process, click here to view our Applicant Privacy Notice. If you sign up to receive notifications of job postings, you may unsubscribe at any time.

About employer

More about this job

Skills

Cybersecurity
Incident response
Troubleshooting
MITRE ATT&CK
Regulatory compliance
Documentation
Computer technology
Computer science
Military drill
NDR
Event planning
DNS
DHCP
SMTP
Reporting
Splunk
ServiceNow
API development
Linux
Python
Microsoft PowerShell
Bash
Communication skills
Microsoft 365
Microsoft Azure
AWS
Google Cloud
Microsoft Active Directory
CISSP
CISM
Security+
CCNA
CCNP
Work independently
Leadership
Attention to detail
Process improvement
Problem solving

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Jobs in the United States