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JOB DETAILS

Senior Firewall/VPN Engineer

CompanyLinchpin Solutions Inc
LocationUnited States
Work ModeOn Site
PostedSeptember 30, 2026
About The Company
Linchpin Solutions, Inc. was founded in 2014 to provide exceptional integrated product support services in the tactical C5ISR arena. Linchpin Solutions, Inc. is a Certified 8(a) and Service-Disabled Veteran-Owned Small Business (SDVOSB). We are a privately held entity employing highly skilled professionals with locations in Aberdeen Proving Ground (APG), MD; Camp Pendleton, CA; Tampa, FL; Atlanta, GA; Ft Bragg, NC; McLean, VA; and overseas in Germany, Bahrain, Iraq, and Kuwait. Our goal is to significantly improve the capabilities of the tactical end-user. We believe we can make a positive impact for them by leveraging relevant technologies, identifying successful approaches, and applying the right-sized solutions. Our primary solutions include: ● Integrated Product Support (IPS) / Lifecycle Logistics Support, including hardware, software, testing, and evaluations ● Tailored curriculum development and training for optimal skills development and retention ● Help Desk solutions, including 24/7/365 remote or on-site technical support ● Field Service Representatives for SATCOM-based networks ● Technical Professional Services We support client diversity objectives with the following Small Business Administration (SBA) Designations: ● Small Business Administration Certified 8(a) ● Service-Disabled Veteran-Owned Business (SDVOSB) ● Small Disadvantaged Business (SDB) ● Minority-Owned We support client security with the following classifications: ● Top Secret Facilities Clearance
About the Role

Description

If you are looking for an exciting career opportunity in IT, engineering, software development, logistics, or project management, Linchpin Solutions is the place to be! We are currently hiring a dynamic, experienced Senior Firewall/VPN Engineer.


Clearance: Active DoD Secret Clearance


Work Schedule: Onsite Daily


Role Overview:

We are looking for a Senior Firewall/VPN Engineer to provide Tier III network engineering & SME support for enterprise firewall, VPN, DMZ, routing, switching, & network security technologies. Design, configure, maintain, troubleshoot, and implement enterprise network security appliances, including firewalls, VPNs, & DMZs.  Collaborate with Network Operations, Network Engineering, NOC, Release Management, & project teams to execute network upgrades, maintenance, integrations, performance tuning, & service improvements. Additionally, support Incident & Problem Management, including Tier III escalations and root cause analysis.


General Skillset

  • Experience with Microsoft Office
  • Verbal and written communication skills
  • Ability to work both collaboratively and individually
  • Critical Thinking Skills
  • Ability to give presentations and briefings as needed

Specific Skillset

  • Perform daily system checks, review and respond to events reflected in various management tools, and perform server patch management
  • Experience with Cross Domain Solutions or DISA Trusted Network Environment
  • Conduct system audit reviews and perform maintenance functions as required to ensure system health
  • Coordinate efforts with other work centers and personnel to resolve incidents or events related to systems and supporting infrastructure 
  • Experience implementing and supporting DoD secure network environments, including firewalls, encryption, network separation, VLANs, tunnels, and TACLANES
  • Develop & maintain Engineering Implementation Plans (EIPs), network SOPs/TTPs, automation solutions, & technical documentation while identifying opportunities for network automation & best-practice improvements


Requirements

Education & Certifications

  • Bachelor's Degree  in Computer Science, MIS, Business, or a related field 
  • ITIL Foundation certification required 
  • IAT Level III certification (CCNP Security, CISSP, or CASP+) 

Experience Requirements

  • 10+ Years of relevant experience 
  • At least 3 years of firewall experience, including implementation, routing, protocol analysis, and troubleshooting
  • Strong background in network engineering, firewall/VPN technologies, routing, network security, and troubleshooting
  • Experience with technologies such as Cisco, Juniper, FortiGate, BGP, EIGRP, OSPF, VRF, MPLS, ACLs, IPSec, and VPN solutions 
  • Familiarity with Zero Trust Architecture 
  • Experience with ITIL practices, including change management, configuration management, and capacity planning
  • Prior help desk or software experience with Jira, Remedy, or ServiceNow


Build Your Career With Us

Linchpin Solutions’ professional services organization is committed to delivering qualified candidates that meet or exceed clients’ technical and management expectations. Our growth means exciting career opportunities for talented professionals in IT, engineering, software development, logistics, project management, and other key areas. We provide personnel who become valuable assets to the organizations they serve and contribute to the overall skill diversity and strength of the Linchpin Team.

Career Choices

Linchpin’s success comes from the talent and commitment of our professionals. As one team, we share the challenges and rewards that come from growing the company, which reinforces our culture of ownership. All of our professionals benefit from the value we collectively create.

Pay Transparency Statement:

Linchpin Solutions is committed to compliance with applicable pay transparency laws and regulations. Final compensation for any position will be determined based on a variety of factors, including but not limited to:

  • Relevant prior work experience
  • Education and certifications
  • Specific skills and competencies
  • Federal Government contract labor categories and wage rates
  • Geographic location

While salary ranges may be provided for a position, these ranges are not a guarantee of final compensation, which may vary based on individual qualifications and the specific requirements of the contract.

Benefits:

In addition to competitive compensation, Linchpin Solutions offers a variety of benefits, including:

  • Health, dental, and vision insurance
  • 401(k) plan with company matching
  • Flexible Spending Accounts (FSA)
  • Company-funded disability and life insurance
  • Paid time off (PTO) and company-paid holidays
  • Employee Assistance Program (EAP)
  • Educational assistance and parental leave

Please note that the specific benefits and compensation details may vary depending on the employee’s position, date of hire, and contract terms.


Cyber Security Message

Linchpin Solutions follows a specific recruiting practice to protect all candidates. We will never request any financial information immediately. Do not reveal confidential or sensitive information without ensuring the request is coming from Linchpin Solutions directly. Please do not hesitate to contact us at (443) 707-3070 if you suspect any type of social engineering attack such as phishing, spear phishing, baiting, or any other suspicious activity.

Equal Opportunity Employment Statement

We are an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Key Skills
Firewall engineeringVPN managementNetwork securityTier III supportRoutingSwitchingDMZ configurationIncident managementProblem managementSystem auditingNetwork automationCross domain solutionsDoD secure network environmentsTechnical documentationZero trust architectureITIL practices
Categories
TechnologySecurity & SafetyEngineeringGovernment & Public Sector
Benefits
Health insuranceDental insuranceVision insurance401(k) planFlexible spending accountsDisability insuranceLife insurancePaid time offEducational assistanceParental leave
Job Information
📋Core Responsibilities
The Senior Firewall/VPN Engineer will provide Tier III network engineering and SME support for enterprise security appliances including firewalls, VPNs, and DMZs. They will collaborate with various teams to execute network upgrades, maintenance, and performance tuning while ensuring system health through audits and patch management.
📋Job Type
full time
💰Salary Range
$100,000 - $125,000
📊Experience Level
10+
💼Company Size
106
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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