Full-Time

PKI Service Desk Technician

Link Solutions

Link Solutions

51-200 employees

IT infrastructure and cybersecurity for government

No salary listed

No H1B Sponsorship

Sierra Vista, AZ, USA

In Person

Relocation incentive available. Initial training is on the day shift; the fixed mid shift runs Sunday–Wednesday, 10:00 PM–8:00 AM local time.

US Citizenship, US Top Secret Clearance Required

Bachelor's, Associate's

Category
IT & Security (1)
Required Skills
Cybersecurity
Cryptography

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Requirements
  • U.S. citizenship is required.
  • An active Department of War Secret clearance is required.
  • An Information Assurance Technical Level II certification equivalent or higher is required under Department of Defense 8570/8140, such as CompTIA Security+ CE, CCNA Security, GICSP, GSEC, or SSCP.
  • An associate degree in Computer Science, Information Systems, Information Technology, or a related field is required, or at least two years of relevant experience supporting enterprise IT systems.
  • Experience supporting Public Key Infrastructure environments, including troubleshooting certificate, authentication, access, and encryption-related issues, is required.
  • Experience monitoring, maintaining, and assessing the performance, availability, and security of Public Key Infrastructure systems and services is required.
  • Knowledge of cybersecurity principles, identity and access management, and practices for protecting sensitive data and Public Key Infrastructure infrastructure is required.
  • A current Computing Environment certification is required, or the ability to obtain it within 90 days of hire.
Responsibilities
  • Provide Tier I and Tier II technical support for Public Key Infrastructure incidents, service requests, and security access issues.
  • Respond to and resolve Public Key Infrastructure and card-access support requests involving user permissions, certificate issues, account access, and application-related access problems.
  • Process, issue, renew, revoke, and maintain digital certificates throughout the certificate lifecycle.
  • Support Secure Sockets Layer/Transport Layer Security certificate requests, installations, renewals, and troubleshooting across servers, applications, and network devices.
  • Manage privileged user accounts, including account creation, modification, renewal, reinstatement, and deactivation, in accordance with security policies.
  • Monitor Public Key Infrastructure infrastructure and associated systems for operational availability, performance, and compliance with security requirements.
  • Troubleshoot certificate validation, authentication, encryption, and smart-card issues for end users and system administrators.
  • Evaluate certificate health and identify issues involving expiration, revocation, trust chains, configuration, and compliance requirements.
  • Assist users with certificate enrollment, installation, renewal, and recovery procedures.
  • Maintain accurate records of certificate inventories, system configurations, and support activities.
  • Support and process Public Key Infrastructure service requests, escalating complex technical issues to senior engineers or administrators as required.
  • Assist with routine system maintenance, software patches, upgrades, and version updates for Public Key Infrastructure and access-control systems.
  • Participate in the deployment, testing, and implementation of new Public Key Infrastructure applications, tools, and services.
  • Implement approved changes to Public Key Infrastructure infrastructure in accordance with established change-management and security procedures.
  • Review system logs, alerts, and audit records to identify and resolve potential security or operational issues.
  • Collaborate with cybersecurity, network, server, and application teams to troubleshoot and resolve Public Key Infrastructure-related incidents.
  • Support compliance, audit, and security initiatives by maintaining documentation and adhering to organizational policies and industry best practices.
Desired Qualifications
  • A bachelor's degree in Computer Science, Information Systems, Information Technology, or a related technical discipline is preferred.
  • Experience supporting information technology systems within a Department of Defense or other regulated government environment is preferred.
  • Experience providing technical support and customer service for mission-critical systems, including support for senior leaders and VIP users, is preferred.

Link Solutions provides IT infrastructure support, application development, cybersecurity, virtualization, and cloud and mobility services to U.S. federal government agencies. Its offerings cover designing, deploying, and managing IT environments, building custom applications, securing systems, virtualizing workloads, and enabling cloud and mobile access for government workflows. The company differentiates itself with certifications and governance credentials (ISO 9000, ISO 20000, ISO 27000; CMMI ML3 DEV, SVC, and SPM) and its SBA 8(a) program history, signaling trained processes and a track record with federal clients. With a guiding philosophy of “Mission First… Customer Always,” Link Solutions aims to deliver enduring, mission-focused solutions and lasting client relationships that provide superior support to government missions.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

McLean, Virginia

Founded

2006

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Simplify Jobs

Simplify's Take

What believers are saying

  • 2025 awards included a $97 million DEVCOM ITMSS task order.
  • 2024-2025 Southeast Regional Network Enterprise Center wins expanded Georgia and Florida coverage.
  • Open roles rose to 75 in July 2026, signaling active delivery demand.

What critics are saying

  • Dependence on Army NETCOM dominates revenue; one recompete can gut the company.
  • The DEVCOM ITMSS order had a June 2025 stop-work, showing execution risk.
  • Federal contracting margins stay exposed to protest delays, funding gaps, and award churn.

What makes Link Solutions unique

  • Link Solutions won Army IMCS IV and ITES-3S work, spanning 2024-2025.
  • Its GSA MAS-99 now includes health IT and cloud professional services.
  • It holds ISO 9001, ISO 20000, ISO 27001, and CMMI Level 3 certifications.

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Benefits

Hybrid Work Options

Company News

Link Solutions, Inc.
Dec 2nd, 2025
Link Solutions is proud to Be a 2025 Gold HIRE Vets Medallion Award Recipient!

Link Solutions is proud to be a 2025 Gold HIRE Vets Medallion Award recipient! Link Solutions, Inc. is honored to be recognized by the U.S. Department of Labor with the 2025 Gold HIRE Vets Medallion Award, a national distinction that reflects its ongoing commitment to employing and supporting America's veterans. At Link, nearly one in every three employees is a U.S. military veteran. Linksol Inc value the mission focus, discipline, [...]

Link Solutions, Inc.
Jul 28th, 2023
U.S. Army Network Enterprise Technology command awards IMCS IV contract to Link solutions.

Link Solutions, Inc. (Link), a leader in IT services and solutions for the Department of Defense and Civilian Agencies has been awarded a U.S. Army contract under the Information Management Communications Systems IV (IMCS IV) program.