Cyber Countermeasure Specialist - JB Pearl Harbor, HI

VetJobs•Pearl City, HI

9d•$95,000 - $120,000•Onsite

About The Position

Quantum Sky is seeking an experienced Cyber Countermeasure Specialist to join its Network Assurance and Defensive Cyber Operations team supporting the Defense Information Systems Agency Pacific (DISA PAC) at Ford Island, Joint Base Pearl Harbor-Hickam, Hawaii. The position supports the Global Services Management – Operations II Task Order 22 Boundary Cyber Defense and Cybersecurity Services Provider contract, safeguarding the Department of Defense Information Network, U.S. Pacific Command, and aligned mission-partner enclaves against advanced persistent threats and nation-state cyber actors. The specialist bridges threat intelligence, incident analysis, and active network defense. The role engineers, tests, validates, deploys, de-conflicts, and tracks custom detection signatures, firewall rules, automated blocking mechanisms, and mitigation actions across global boundary sensors, cloud access points, enterprise SIEM platforms, and specialized networks. Work spans unclassified and secret networks, up to Top Secret/SCI, and includes operations in SCIFs at Ford Island. The position also supports multi-cloud and Zero Trust environments, mission-specific networks, defensive automation, and coordination with military, government, and commercial stakeholders.

Requirements

For Level II: Bachelor’s degree in Cybersecurity, Computer Science, Computer Engineering, Information Systems, or a related technical discipline and 2 or more years of direct CND, intrusion detection/prevention, or security tool engineering experience; alternatively, an associate degree and 4 or more years of experience, or 6 or more years of relevant professional or military cyber operations experience in lieu of a degree.
For Level III: Bachelor’s degree and 4 or more years of relevant experience; alternatively, an associate degree and 6 or more years of experience, or 8 or more years of relevant experience or military service in lieu of a degree.
Before the start date, hold a valid certification or degree compliant with DoD 8140.03/DCWF Work Role Code 521, Cyber Defense Infrastructure Support Specialist, at the Basic or Intermediate level. Accepted certifications include CompTIA Security+ CE, CySA+, CCNA-Security, CND, SSCP, GICSP, GSEC, CASP+ CE, CCNP Security, GCIA, GCIH, or CISSP.
Ability to obtain the required Computing Environment certification within six months of the start date; examples include Cisco Certified CyberOps Associate/Professional, Cisco FirePOWER specialist credential, Snort Rule Writing certification, or Microsoft SC-200.
Demonstrated experience writing, testing, and deploying custom intrusion signatures, such as Snort, Suricata, YARA, or Bro/Zeek, and configuring firewall or ACL rules.
Working administrative knowledge of Cisco FirePOWER Management Center, IDS/IPS appliances, and proxy or web content filtering solutions.
Deep understanding of TCP/IP, UDP, ICMP, DNS, HTTP/S, and TLS, and experience with packet inspection tools such as Wireshark and tcpdump.
Familiarity with adversary tactics, techniques, and procedures and the MITRE ATT&CK framework.
U.S. citizenship.
Active Top Secret security clearance with eligibility to obtain SCI access upon start, with a Tier 5/SSBI investigation within scope. Candidates with an active Secret clearance may be considered if Top Secret/SCI processing begins immediately upon hire with government approval.

Nice To Haves

Prior experience supporting DISA or Service Cyber Components such as ARCYBER, AFCYBER, FLTCYBER, or MARFORCYBER.
Hands-on experience developing automated incident-response workflows or SOAR playbooks, such as Cortex XSOAR, Splunk SOAR/Phantom, or Sentinel Logic Apps.
Scripting expertise in Python, PowerShell, Bash, or regular expressions for signature creation and data parsing.
Knowledge of endpoint detection and response platforms such as Microsoft Defender for Endpoint, Tanium, or CrowdStrike and their containment actions.
Familiarity with DoD security policies, including DoDI 8530.01 and CJCSM 6510.01F, and incident-tracking databases such as Rally.

Responsibilities

Design, author, test, and deploy custom detection and prevention signatures for antivirus, network intrusion detection/prevention systems, web content filtering, and enterprise recursive services.
Develop active countermeasures for DISA enterprise boundaries, including Internet Access Points, Boundary Cloud Access Points, and DODIN DMZs, using the specified sensor, firewall, and cloud defense technologies.
Analyze automated blocking telemetry, assess blocked and allowed traffic, investigate events that bypassed defenses, and refine blocking algorithms to reduce false positives and false negatives.
Track customer and enterprise countermeasures and document de-confliction and configuration-management actions to maintain synchronized defenses and network stability.
Maintain and execute rapid-rollback procedures for restoring network devices and sensors to baseline when defensive actions affect mission availability, while following government-directed network freezes.
Manage the lifecycle of signatures and detection rules, including review, tuning, retirement of outdated or redundant detections, and monthly reporting of custom countermeasures.
Develop and execute countermeasures in enterprise cloud and Zero Trust environments, including Joint Warfighter Cloud Capability providers, Thunderdome ZTNA, and Microsoft Defender.
Work with threat analysts to convert warning intelligence and Attack Sensing and Warning data into countermeasures, automate repeatable mitigation, and turn tactical hunt hypotheses into production analytics.
Analyze trends in incident response and defense performance and contribute to the monthly Respond Statistical and Trend Report.
Ensure containment and countermeasure actions comply with CJCSM 6510.01F and DoDI 8530.01, record response data in the DoD incident reporting structure (currently Rally), and provide technical mitigation recommendations to the DISA Joint Operations Center.
Develop and deploy countermeasures for PACOM Mission Network and Joint Operational Edge – Coalition Environment architectures at DISA PAC.
Identify opportunities for security orchestration, author and enrich SOAR playbooks, and develop custom API workflows and scripts to automate containment actions.
Conduct operations in SCIFs at Ford Island and apply countermeasures to classified enclaves up to Top Secret/SCI, including JWICS and YLAN.
Coordinate technical responses and rule modifications with the DISA Field Office Commander, USPACOM J6, DoD Cyber Defense Command, USCYBERCOM, and commercial vendors.
Participate in an on-call rotation for emergency after-hours surge or high-priority operational containment events.