Sealing Technologies, a Parsons CompanyVerified Source

Cybersecurity Engineer - Sealing Technologies

103K–136K
Onsite · Washington, District of Columbia
Posted August 8, 2026
payroll

Overview

Sealing Technologies seeks a Cybersecurity Engineer to lead vulnerability management and detection tuning for a DoD program. This role drives protection of mission critical systems through hardening and incident response. The ideal candidate will own security operations and mentor junior engineers.

What You'll Do11

  • 1Lead vulnerability management activities across the program platform including scan scheduling and remediation tracking
  • 2Develop and tune SIEM rules and alerts to improve detection fidelity
  • 3Conduct incident triage and root cause analysis while escalating appropriately
  • 4Apply STIGs and security baselines across Windows Linux and network platforms
  • 5Perform vulnerability assessments using Nessus Tenable or ACAS and track remediation
  • 6Analyze network traffic and logs to identify anomalies and potential threats
  • 7Collaborate with DCO tools and defensive sensors to configure deployments and tuning
  • 8Support RMF authorization workflows and contribute to ATO sustainment documentation
  • 9Create automation scripts in Python Bash or PowerShell to streamline security operations
  • 10Mentor junior security engineers on detection engineering and incident handling
  • 11Provide technical input for program proposals and security assessments

Requirements11

  • 1U.S. Citizenship required
  • 2Bachelor's degree in Cybersecurity Computer Science or related field
  • 35+ years operational cybersecurity experience supporting DoD or federal programs
  • 4Proficiency with SIEM platforms Splunk Elastic Zeek or similar
  • 5Experience with vulnerability assessment tools Nessus Tenable or ACAS
  • 6Knowledge of STIG implementation across Windows Linux environments
  • 7Background in incident triage log analysis and packet capture analysis
  • 8Scripting skills in Python Bash or PowerShell for security automation
  • 9Familiarity with MITRE ATT&CK and threat intelligence frameworks
  • 10DoD 8570 IAT Level II certification or ability to obtain within six months
  • 11Active Secret clearance or willingness to acquire

Salary Insight

$103 - $136k per year

Location

Typeonsite
LocationWashington, District of Columbia

Required Skills

SIEMSplunkElasticZeekNessusTenableACASSTIGsWindowsLinuxPythonBashPowerShellMITRE ATT&CKDoD 8570 IAT Level IISecurity+ CE
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