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Malware Investigation and Cybersecurity Specialist

2 months ago


Ashburn, Virginia, United States Leidos Full time

UNLOCK YOUR POTENTIAL


At Leidos, we provide cutting-edge solutions through the dedication of our diverse and skilled workforce committed to our clients' success.

We empower our teams, engage with our communities, and operate sustainably.

Our actions are guided by a steadfast commitment to doing what is right for our clients, our employees, and our community.

Our Mission, Vision, and Values shape our business practices.

Leidos is on the lookout for a seasoned Cybersecurity Specialist to join our team focusing on both digital forensics and malware examination within a prominent cybersecurity initiative that offers network operations security center (NOSC) support, encompassing monitoring and analysis, cyber threat intelligence, email scrutiny, forensics, incident response, and malware evaluation.

The Department of Homeland Security (DHS) Network Operations Security Center (NOSC) is a U.S.

government initiative tasked with monitoring, detecting, analyzing, mitigating, and responding to cyber threats and adversarial actions within the DHS Enterprise.

The DHS NOSC holds primary responsibility for overseeing and addressing security events and incidents identified at the Trusted Internet Connection (TIC) and Policy Enforcement Point (PEP), directing and coordinating detection and response activities executed by each Component SOC.

Coordination is facilitated through a shared DHS incident tracking system and various communication methods.

If this environment resonates with your professional aspirations, continue reading.


The Digital Modernization Sector integrates our digital transformation and IT programs, enhancing our ability to serve our clients through scalability and repeatability.

Are you prepared to make a significant impact? Embark on a rewarding and meaningful career journey with us today.

Key Responsibilities include dynamic malware examination and conducting memory and dead-box forensics.

The Specialist should possess experience in monitoring and detection, as well as incident response to aid in the detection, containment, and eradication of malicious activities targeting client networks.

Acting as a point of escalation for other NOSC analysts, the Specialist will undertake the following:

Support investigations into computer and information security incidents to ascertain the extent of compromise to information and automated information systems.

Conduct thorough analyses of various types of computer code, particularly malicious code, to uncover unknown, suspicious, or exploitative activities.

Collaborate with analytical counterparts across the U.S. Intelligence Community, applying knowledge of network fundamentals, open-source tools, and current technology implementations to devise strategies for pursuing access and exploitation of targeted interests.

Assist in cross-training and mentoring other NOSC Support Staff.

Participate in briefings to provide expert insights on emerging threats.

Author reports and/or engage with clients for ad-hoc inquiries.

Engage in discussions to recommend enhancements to NOSC visibility or processes.


The Cyber Forensics and Malware Analysis Team provides support during core business hours (7am – 7pm), Monday through Friday EST.

Flexible start times are considered. Participation in a rotating on-call schedule is required.

Essential Duties:

Conduct both long-term and time-sensitive in-depth technical analyses of malicious code (malware), examining its inner workings and developing defensive countermeasures.

Perform malware analysis utilizing static and dynamic methodologies (e.g., debuggers [Ollydbg], disassembler [IDA Pro], sandbox execution, etc.).

Generate malware reports for dissemination to the watch floor and enterprise.


Execute technical analyses against target systems and networks, characterizing target network capabilities and vulnerabilities, while supporting the development of new techniques for exploiting targets.


Analyze cyber activities to identify entities of interest, their methods, motives, and capabilities; determine malicious behavior; and recognize emergent patterns and linkages to visualize the broader landscape of cyber operations.

Identify unknown, suspicious, or exploitative activities, and provide briefings on intrusion set activities to partner organizations/agencies.

Draft forensics and/or incident response reports, investigate computer attacks, and extract data from electronic systems.

Conduct technical analyses for the exploitation of identified activities of unknown or suspicious origins.

Train team members on analysis, tools, and reporting.

Collaborate with the Splunk team to implement, enhance, or modify existing use cases.

Pivot on forensic data in collaboration with the Cyber Threat Intelligence team to ascertain if the malware is part of a larger campaign, how DHS is being targeted, and what further remediation is necessary.

Lead remote compromise assessments and produce final assessment reports.

Provide input for NOSC improvements and identify visibility gaps for enterprise monitoring.

Occasional travel to other DHS locations may be required to support Incident Response investigations.

Develop and maintain Standard Operating Procedures (SOPs) and Rules of Engagement (ROE) templates.

Basic Qualifications:


A minimum of a Bachelor's degree in Computer Science, Engineering, Information Technology, Cybersecurity, or a related field PLUS eight (8) years of professional experience in incident detection and response, malware analysis, and/or cyber forensics.


In lieu of a Bachelor's degree, 12 or more years of continuous cyber network and vulnerability/malware analysis experience will be considered on a case-by-case basis, along with required certifications.

Experience in supporting malware analysis and forensics in cyber operations, and/or federal law enforcement.

Experience in reverse engineering and analyzing malware and producing malware analysis reports.

Familiarity with Threat Intel Frameworks (e.g., Cyber Kill Chain, MITRE ATT&CK, Diamond Model).

Hands-on experience with EnCase, Axiom, FTK, CrowdStrike Falcon, Volatility, Security Onion, Suricata, Splunk.

Signature (e.g., Snort, Yara, Suricata) development/tuning.

Proficient in both Windows and Linux operating systems.

Experience with any of the following malware tools: Wireshark, OllyDBg, IDA Pro, RegShot, TCPDump, WinHex, Windbg, or PEid.


Experience in writing scripts/tools to develop analysis capabilities, including applying basic analytic methods such as computer programming (JAVA, Perl, C, etc.) and debugging programs.

Experience related to the use of relevant CNO and SIGINT tools and databases utilized for the customer mission. Extensive knowledge of network ports and protocols (e.g., TCP/UDP, HTTP, ICMP, DNS, SMTP, etc.).

Experience with network topologies and network security devices (e.g., Firewall, IDS/IPS, Proxy, DNS, WAF, etc.).

Must possess TS/SCI clearance.

In addition to specific security clearance requirements, all Department of Homeland Security SOC employees are required to obtain an Entry on Duty (EOD) clearance to support this program.

The ideal candidate is a self-driven individual pursuing a career in cybersecurity.

Should hold at least one of the following certifications:

SANS GIAC:
GCIH, GCFA, GCFE, GREM, GISF, GXPN, GCTI, GOSI.

Offensive Security:
OSCP, OSCE, OSWP, OSEE.

ISC2:
CCFP, CISSP.

EC Council:
CHFI, LPT, CSA, CTIA.

Defense Cyber Investigative Training Academy:
WFE-FTK, CIRC, WFE-E-CI, FIWE.

Preferred Qualifications:

Previous experience in a DHS or other federal government agency SOC/NOC/NOSC environment.

Knowledge of Cyber Kill Chain and MITRE ATT&CK frameworks.

Proficient in one or more of the following programming languages: Python, Bash, Visual Basic, or PowerShell to support cyber threat detection or reporting.