Senior Computer Systems Engineer/Architect - PKI

Chantilly, VA
Sep 06, 2023
Oct 06, 2023
Full Time

DIGIT is seeking a Identity and Directory Management Services (IDMS) Engineer to support the design, administration, management, execution & maintenance of GSA’s Identity & Directory Management Services (IDMS) and Identity, Credential, and Access Management (ICAM) solutions to meet the needs of the enterprise users & the enterprise architecture. These services, systems, and capabilities include, but not limited to, directory services management, ICAM, privileged account management, Single Sign-On (SSO), Active Directory (AD) Domain Name System (DNS) services, Public Key Infrastructure (PKI), Multi-Factor Authentication (MFA), auditing and log management, Continuous Diagnostics and Mitigation/Dynamic and Evolving Federal Enterprise Network Defense (CDM/DEFEND), and the management of appliances. GSA IT currently leverages Microsoft (MS) AD as the authoritative account management system.


This position shall perform the following (to include but not limited to) activities:
  • Manage the enterprise Key Management, Certificate Management, and PKI systems.
  • Manage and maintain the GSA PKI environment, to include Microsoft Certificate Authorities and Certificate Revocation CRL/ OCSP services.
  • Extensive experience with Okta includes installation, configuration and migrations.
  • Token management by using the HID Credential Management Services
  • Knowledge of Hardware Security Module (HSM’s)
  • Manage, administer, and support the GSA IT MFA environment with Secureauth, OKTA or similar platform
  • Manage, administer, and support ICAM systems and related support activities.
  • Utilize automation and role-based management to ensure availability of access and continuity of services.
  • Ensure requirements are gathered, processes defined, and use cases documented.
  • Test and certify new product versions, bug fix and provide detailed reports.
  • Providing on-call rotation support on a routine basis.
  • Identifying process improvement opportunities for review and subsequent implementation.
  • Providing positive customer service interactions for all levels of the organization up to and include senior executive staff.
  • Performing root cause analysis, risk identification, and risk mitigation.
  • Provide support and administration of the GSA IT AD environment, systems, and associated data.
  • Continuously review and assess the GSA IT ICAM environment and provide recommendations for how to manage and administer the environment more efficiently.
  • Ensure that all Group Policy Management (GPM) changes are controlled and documented.
  • Other operational support duties as assigned.
  • Developing new technologies to support existing applications or creating new applications using new technologies
  • Participating in meetings with executives to discuss technical issues and propose solutions
  • Collaborating with other members of the engineering team to design new features or improve existing ones
  • Escalate issues to vendor and third-party entities, as necessary and directed by the Government.


This following are REQUIRED for this position:
  • Public Trust Clearance
  • ITILv4 Foundation Training and ITILv4 Foundation Certification, may be obtained within 120 days after hire.
  • Possesses and applies a comprehensive knowledge across key tasks and high impact assignments.
  • Plans and leads major technology assignments.
  • Functions as a technical expert across multiple project assignments.
  • Design and develop solutions to complex applications problems, system administration issues, or network concerns.
  • Perform systems management and integration functions
  • Proven ability to work independently in a full and/or partial remote environment with limited supervision and may supervise/lead others.
  • Possess the ability to communicate in both oral and written forms, demonstrating an ability to communicate effectively with all levels of staff as well as clients.
  • Maintain standard working hours per the DIGIT contract and to be available for meetings, and other collaborative efforts during working hours.
  • Demonstrated ability to apply comprehensive knowledge across key tasks and high impact assignments with the ability to use practical experience and training to determine how to accomplish tasks.


The following are DESIRED for this position:
  • Strong knowledge of the different identity and access management (IAM) concepts, technologies and authentication protocols.
  • Public Key Infrastructure (PKI):
    1. Active Directory Certificate Services (AD CS).
    2. HID Credential Management System (CMS).
    3. HID ActivClient.
    4. Federal PIV/CAC.
    5. Safenet Hardware Security Module (HSM’s).
  • Identity Management services operations including but not limited to
    1. SailPoint IdentityIQ
    2. SecureAuth
    3. SAML 2.0
    4. Forefront Identity Manager/Microsoft Identity Manager
    5. Active Directory Federation Services
  • Active Directory including but not limited to
    1. Microsoft Active Directory
    2. NetIQ DRA
    3. NetIQ Group Policy Administrator (GPA)
    4. Active Directory Lightweight Directory Services
    5. Vulnerability Mitigation
  • Experience with Splunk engineering and administration.
  • Privileged access management (PAM) systems such as CyberArk.
  • Hands-on experience with cloud computing services (O365/Microsoft Azure/AWS).
  • Experience with SailPoint IdentityIQ integration and operations.
  • Okta certified.
  • Powershell, java and .NET scripting.
  • An understanding of Zero Trust concepts.
  • Proficiency in the Google Suite (Gmail, Calendar, Chat, Meet, Docs, Slides, Sheets), Microsoft Office (Word, Excel, PowerPoint, Outlook), Slack, and ServiceNow.
  • Must be willing to work a variety of shifts, including holidays as scheduled.


The following are the education and experience required for this position:
  • 7 - 12 years of experience and bachelor's degree
  • 4+ year experience working with IDMS systems.
  • Experience as a remote worker demonstrating time management and self discipline with cultural change management and Agile mindset.

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