Weeghman & Briggs LLCVerified Source

Intrusion Analyst 3 - SIGINT & Network Security

137K–152K
Onsite · Washington, District of Columbia
Posted August 12, 2026
payroll

Overview

Own the analysis of target digital network data to discover and document malicious activity, supporting critical government missions in Annapolis Junction, MD. 5+ years of relevant experience and an active TS/SCI clearance with polygraph are essential. You'll partner with Data Scientists, Reverse Engineers, and other analysts to protect national security. This role stands out due to direct mission impact and a close-knit team culture. CISSP, CEH, Sec+, Net+, GIAC GREM, or CREA certification required.

What You'll Do7

  • 1Analyze target digital network data to discover, analyze, and document malicious or unauthorized activity using SIGINT and computer network defense resources.
  • 2Examine metadata from tasked communications systems to identify, locate, and track targets, and report intelligence gains from metadata analysis.
  • 3Categorize network traffic as benign, suspicious, or malicious, and document malicious tactics, techniques, and procedures (TTPs).
  • 4Develop and implement mitigation strategies for identified threats.
  • 5Collaborate with cross-functional teams to deliver high-quality results in secure government environments.
  • 6Ensure compliance with contract and security standards.
  • 7Contribute ideas to improve processes, efficiency, and performance.

Requirements8

  • 1Master's degree with 6 years of relevant experience, Bachelor's degree with 8 years, or Associate's degree with 10 years.
  • 2Degree in Computer Science, Computer Engineering, Information Systems, or related field from an accredited institution.
  • 3Active TS/SCI clearance with polygraph.
  • 4CISSP, CEH, Sec+, Net+, GIAC GREM, or CREA certification required.
  • 5Experience supporting government or DoD programs.
  • 6Relevant experience in signals analysis, waveform analysis, network troubleshooting, network traffic characterization, or network security analysis.
  • 7Preferred: Malware analysis and programming in C, C++, Java, Perl, or Python.
  • 8Preferred: Agile, cloud, or modernization experience.

Salary Insight

$137 - $152k per year

Location

Typeonsite
LocationWashington, District of Columbia

Required Skills

TS/SCI with PolygraphSignals analysisWaveform analysisNetwork troubleshootingNetwork traffic characterizationNetwork security analysisCISSPCEHSec+Net+GIAC GREMCREAC programmingC# programming
Share:

Similar open positions

Explore active roles that match your skills and interests.

Weeghman & Briggs

13h agoWashington, District of Columbiapayroll

Intrusion Analyst 3

WeeghmanBriggs seeks a motivated Intrusion Analyst 3 to support critical government initiatives in Annapolis Junction MD. This full-time onsite role requires TS/SCI clearance and offers a competitive salary range of $137,100-$152,300. Join a growing team dedicated to delivering high-impact analytical services to government agencies and private organizations.

137K–152K
TS/SCI with PolygraphSignals analysisWaveform analysis+7 more

Markon

16h agoWashington, District of Columbiapayroll

Sr. All Source Intelligence Analyst (Current Intelligence)

Markon seeks a Senior Intelligence Analyst to build a talent pool supporting future missions. Selected candidates will fill future openings aligned with customer priorities. Work occurs in Annapolis Junction MD area.

120K–200K
update articlesdaily brief slidescyber threat research+2 more

Weeghman & Briggs LLC

15d agoWashington, District of Columbiapayroll

Exploitation Analyst Job at Weeghman & Briggs

You will own exploitation plans for adversary networks at Fort Meade, MD, supporting government and DoD missions. You will join a team using JCAC training and ILR language skills to adjust operations in real time. Your work directly impacts national security, with growth into Level 3 roles. This role offers a clear path to advancement in a close-knit, mission-driven company.

147K–197K
ts/scipolygraphjcac+2 more
SAIC

SAIC

14h agoWashington, District of Columbiapayroll

Cyber Defense Analyst SAIC Washington DC

SAIC seeks a Cyber Defense Analyst on a joint Contractor Government Cyber Protection Team at Fort Meade Maryland. This full-time day shift role requires on-site presence 10 percent of the time. Candidates must hold a TS.SCI_wPoly clearance and possess relevant technical expertise.

120K–160K
Intrusion Detection SystemsNetwork SensorsThreat Analysis+8 more
National Security Agency

National Security Agency

11h agoWashington, District of Columbiapayroll

Digital Network Exploitation Analyst

As a Digital Network Exploitation Analyst, you will own the discovery and analysis of target technologies within digital networks and mobile communications. You will dissect metadata, identify target communications, and map global networks to expose vulnerabilities. Working within NSA's cybersecurity and intelligence operations, you will collaborate with a team of analysts and engineers to protect national interests. This role stands apart by placing you at the forefront of threat landscape understanding, with opportunities to influence critical intelligence decisions.

105K–193K
pythonc++java+2 more
MANTECH

MANTECH

13h agoWashington, District of Columbiapayroll

Cyber Security Analyst, Incident Response & SOC

You will own security event correlation and incident triage across enterprise networks, detecting and responding to threats in real time. You will work within a 24x7 SOC team, analyzing alerts from Windows and Linux systems and coordinating remediation. You hold IAT Level II certification (Security+ or equivalent) and thrive in high-stakes environments. This role offers direct exposure to COTS security tools and a clear path to advanced cyber roles.

Competitive salary
Security event and incident correlationCyber incident triageCyber engineering trend analysis+7 more