You have been redirected to RTX’s career page as we have recently transitioned from RTX to become a standalone company, which provides us with greater autonomy and opportunities for growth. As a prospective employee of Nightwing, you’ll have the chance to contribute to our continued success and shape the future of our cybersecurity, intelligence, and services offerings.

Previously part of a leading Fortune 100 company and headquartered in Dulles, VA; Nightwing became independent in 2024 but continues to support the nation’s most mission impactful initiatives.

When we formed Nightwing, we brought a deep set of credentials and an unfaltering commitment to the mission. For over four decades, our team has been providing some of the world’s most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions.

At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.

Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. CIS brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets The DHS’s Hunt and Incident Response Team (HIRT) secures the Nation’s cyber and communications infrastructure. HIRT provides DHS’s front line response for cyber incidents and proactively hunting for malicious cyber activity.

CIS as a prime contractor to DHS, performs HIRT investigations to develop a preliminary diagnosis of the severity of breaches. CIS provides HIRT remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based and network-based cybersecurity analysis capabilities.

CIS is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution.  Contract personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity. CIS is seeking Network Forensics Cybersecurity Analysts to support this critical customer mission.  

Responsibilities:
- Assists the Government lead in coordinating teams in preliminary incident response investigations
- Assists the Government lead with interfacing with the customer while on site
- Determines appropriate courses of actions in response to identified and analyses anomalous network activity
- Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations
- Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies
- Collects network intrusion artifacts (e.g., PCAP, domains, URI’s, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidents
- Analyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information
- Collects network device integrity data and analyze for signs of tampering or compromise
- Assists with real-time CND incident handling (i.e., forensic collections, intrusion correlation and tracking, threat analysis, and advising on system remediation) tasks to support onsite engagements

Required Skills:
- U.S. Citizenship
- Must have an active TS/SCI clearance
- Must be able to obtain DHS Suitability
- 8+ years of directly relevant experience in network investigations
- In depth knowledge of CND policies, procedures and regulations
- In depth knowledge of TCP/IP protocols
- In depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, etc. 
- In depth knowledge and experience of Wifi networking
- In depth knowledge and experience of network topologies - DMZ’s, WAN’s, etc.
- Substantial knowledge of Splunk (or other SIEM’s)
- Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK)
- Knowledge of Computer Network Defense policies, procedures, and regulations
- Knowledge of defense-in-depth principles and general attack stages with respect to network security architecture
- Ability to characterize and analyze network traffic to identify anomalous activity and potential threats to network resources
- Ability to identify and analyze anomalies in network traffic using metadata
- Experience with reconstructing a malicious attack or activity based on network traffic
- Experience examining network topologies to understand data flows through the network
- Must be able to work collaboratively across physical locations

Desired Skills:
- Substantial knowledge of network device integrity concepts and methodologies
- Proficiency with network analysis software (e.g. Wireshark) 
- Proficiency with carving and extracting information from PCAP data
- Proficiency with non-traditional network traffic (e.g. Command and Control) 
- Proficiency with preserving evidence integrity according to standard operating procedures or national standards
- Proficiency with designing cyber security systems and environments in a Linux and/or Windows environment
- Proficiency with virtualized environments

Required Education:
BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 10+ years of network investigations experience.

Desired Certifications:
- DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst
- DoD 8140.01 GCIA, GCIH, CSSP Analyst/CSSP Incident Responder
- DoD 8140.01 CEH, CSSP Analyst
- SANS GIAC GNFA preferred

This requisition is eligible for an employee referral award.  ALL eligibility requirements must be met to receive the referral award.

Arlington, VA

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