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Tier Three Engineer Jobs in Washington (NOW HIRING)

Tier 3 Cybersecurity Analyst

Rockville, MD

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Tier 3 Cybersecurity Analyst Location: Rockville, MD Position Overview The Tier 3 Cybersecurity ... Engineering & Installation Why ActioNet? At ActioNet, our Passion for Quality is at the heart of ...

Tier 3 Cybersecurity Analyst

Rockville, MD

$130K - $170K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Tier 3 Cybersecurity Analyst Location: Rockville, MD Position Overview The Tier 3 Cybersecurity ... Engineering & Installation Why ActioNet? At ActioNet, our Passion for Quality is at the heart of ...

Network Operations Engineer Tier 3 SR

Vienna, VA · On-site

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated per DFARS ...

Network Operations Engineer Tier 3 SR

Vienna, VA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated per DFARS ...

This position will focus on Tier III support for in-depth analysis, root cause investigation, and the development of permanent solutions. The Senior Network Engineer is responsible for but not ...

Tier III Network Engineer - Senior (Government)

Mclean, VA · On-site

$89K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Preferred network certifications Cisco CCNA, CCNP, CCIE, Juniper JNCIA, JNCIS, or JNCIE, ITIL Foundations, and/or CISSP Our Tier 3 Network Engineer - Senior's earn between $89,200 - $175,358. Not to ...

Network Operations Engineer Tier 3 SR

Vienna, VA

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

Help Desk Technician - Tier 3

Sterling, VA · On-site

$70K - $90K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Opening Position Summary We are seeking an Escalations Engineer with MSP experience to serve as a ... Act as the Tier 3 escalation point for the service desk * Support cloud, hybrid, and on-prem ...

Network Operations Engineer Tier 3 SR

Vienna, VA · On-site

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

Network Operations Engineer Tier 3 SR

Vienna, VA · On-site

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

Network Operations Engineer Tier 3 SR

Vienna, VA · On-site

$220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Description ActioNet is seeking a Senior Network Operations Engineer (Tier III) to join our team in the DMV area. Travel is required for this position. This is a Mission Essential position designated ...

Showing results 41-60

Tier Three Engineer information

What is the difference between Tier Three Engineer vs Tier Two Engineer?

AspectTier Three EngineerTier Two Engineer
CertificationsAdvanced certifications (e.g., Cisco CCNP, CompTIA Network+)Entry to mid-level certifications (e.g., Cisco CCNA, CompTIA A+)
Work EnvironmentComplex troubleshooting, system design, and advanced supportRoutine maintenance, basic troubleshooting, and user support
Employer & Industry UsageIT service providers, large enterprises, network infrastructureSmall to medium businesses, internal IT teams
Search & Comparison IntentUnderstanding advanced support roles, career progressionBasic support roles, entry-level positions

In summary, a Tier Three Engineer handles more complex issues, requires advanced certifications, and works in larger, more technical environments compared to a Tier Two Engineer, who focuses on routine support and basic troubleshooting.

What is a Tier Three Engineer?

A Tier Three Engineer is a senior technical support professional responsible for resolving complex issues that cannot be handled by lower support levels. They often have advanced knowledge of systems, networks, or software, and may work with specialized tools or certifications to diagnose and fix critical problems. This role typically requires strong problem-solving skills and experience in technical environments.

What are popular job titles related to Tier Three Engineer jobs in Washington?

For Tier Three Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Tier Three Engineer jobs in Washington look for?

The top searched job categories for Tier Three Engineer jobs in Washington are:

What cities in Washington are hiring for Tier Three Engineer jobs?

Cities in Washington with the most Tier Three Engineer job openings:

Infographic showing various Tier Three Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, and 3% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution.

Tier 3 Cybersecurity Analyst

ActioNet

Rockville, MD

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


Job description

Tier 3 Cybersecurity Analyst
Location: Rockville, MD
Position Overview
The Tier 3 Cybersecurity Analyst serves as a senior technical leader within the SOC, responsible for advanced threat detection, incident response, threat hunting, and forensic analysis. This role operates at the core of the intelligence-driven SOC model, fusing multi-source data to identify, analyze, and mitigate sophisticated cyber threats impacting Agency systems.
Salary $130k-170K
Clearance: TS/ DOE Q

Key Responsibilities

  • Lead advanced incident detection, analysis, response, containment, eradication, and recovery activities for complex and high-severity cybersecurity incidents.
  • Perform proactive threat hunting using behavioral analytics, SIEM correlation, threat intelligence, and advanced detection methodologies.
  • Conduct comprehensive cyber forensic investigations, including host, network, endpoint, malware, and digital evidence analysis.
  • Analyze, synthesize, evaluate, interpret, and integrate information from multiple security, intelligence, and operational data sources to identify emerging threats and attack patterns.
  • Fuse computer network attack analysis with cyber threat intelligence, counterintelligence, and law enforcement information to support incident investigations, attribution, and response activities.
  • Develop and maintain detection analytics, SIEM use cases, correlation rules, automation scripts, and SOAR playbooks to improve detection, response, and operational efficiency.
  • Perform network traffic packet analysis, protocol analysis, log analysis, malicious software analysis, and email security analysis to identify indicators of compromise and adversary tactics.
  • Support information risk management and information systems risk assessment activities by identifying cybersecurity risks, vulnerabilities, and recommended mitigation strategies.
  • Support and enhance enterprise security technologies, including Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Data Loss Prevention (DLP), and Advanced Threat Protection (ATP) capabilities.
  • Provide technical leadership, guidance, and mentorship to Tier 1 and Tier 2 analysts in cyber threat analysis, incident response, and security operations.
  • Collaborate with federal agencies, including CISA, US-CERT, law enforcement, and counterintelligence organizations, during complex cybersecurity investigations.
  • Support M-21-31 logging maturity initiatives through log validation, normalization, correlation, and visibility improvements across enterprise systems.

Required Qualifications

  • Bachelor's degree in Cybersecurity, Computer Science, Information Technology, Information Assurance, or a related field.
  • Eight (8) or more years of professional experience in cybersecurity operations, incident response, malware analysis, cyber forensics, or network security.
  • Demonstrated experience in network security architecture, incident detection and response, malware analysis, and cyber forensics.
  • Experience analyzing, synthesizing, evaluating, interpreting, and integrating information from multiple intelligence and security data sources.
  • Experience providing technical guidance and mentorship to cybersecurity personnel.
  • Experience supporting investigations involving cyber threat intelligence, counterintelligence, and law enforcement organizations.
  • Demonstrated experience with information security, information risk management, and information systems risk assessment.

ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services.   With 25+ years of stellar past performance, ActioNet is the premier Trusted Innogrator! 

 
Core Capabilities:
  • Advanced and Managed IT Services
  • Agile Software Development
  • DevSecOps
  • Cybersecurity
  • Health IT
  • C4ISR & SIGINT
  • Data Center Engineering & Operations
  • Engineering & Installation
Why ActioNet?
At ActioNet, our Passion for Quality is at the heart of everything we do:
  • Commitment to Employees: We are committed to making ActioNet a great place to work and continue to invest in our ActioNeters.
  • Commitment to Customers: We are committed to our customers by driving and sustaining Service Delivery Excellence.
  • Commitment to Community: We are committed to giving back to our community, helping others, and making the world a better place for our next generation.
ActioNet is proud to be named a Top Workplace for the eleventh year in a row (2014 - 2024). We have a 98% customer retention rate. We are passionate about the inspirational missions of our customers, and we entrust our employees and teams to deliver exceptional performance to enable the safety, security, health, and well-being of our nation.
 
What's in It For You?
As an ActioNeter, you get to be part of an exceptional team and a corporate culture that nurtures mutual success for our customers, employees, and communities. We give you the tools to be successful; all you need to do is bring your best ideas, your energy, and a desire to develop your skills, experience, and career. Are you ready to make a difference?
ActioNet is an equal-opportunity employer and values diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. 
Full-Time Employees are eligible to participate in our ActioNet’s Benefits Program:
  • Medical Insurance
  • Vision Insurance
  • Dental Insurance
  • Life and AD&D Insurance
  • 401(k) Savings Plan
  • Education and Professional Training
  • Flexible Spending Accounts (FSA)
  • Employee Referral and Merit Recognition Programs
  • Employee Assistance and Identity Theft Protection
  • Paid Holidays: 11 per year
  • Paid Time Off (PTO)
  • Disability Insurance

ActioNet is an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

********Direct Applicants, only.  No Agencies, No third-party recruiters, please********