MetroStar Systems

Sr. Sr. Systems Engineer III (6814)

MetroStar Systems$140K — $225K *
Technical Services
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active Top Secret clearance required
  • 10+ years of relevant experience in enterprise identity, cybersecurity, or systems engineering
  • Hands-on experience with enterprise PKI infrastructure management
  • Knowledge of cryptographic principles and key management systems
  • Experience with AD CS, Microsoft Entra ID, and cloud identity integration
  • Strong leadership skills for modernization initiatives
  • Bachelor's degree in a relevant field preferred, or equivalent experience

Responsibilities

  • Design and maintain secure enterprise PKI solutions for on-premises and cloud
  • Administer certificate authorities, trust chains, and certificate lifecycles
  • Manage key protection, cryptographic services, and recovery practices
  • Integrate PKI with various identity platforms and network devices
  • Automate certificate management processes using scripting and orchestration
  • Ensure compliance with security standards like DoD and NIST
  • Troubleshoot complex PKI issues and document best practices

Benefits

  • Health, dental, and vision insurance
  • 401(k) retirement plan with company match
  • Paid time off (PTO) and holidays
  • Parental leave and dependent care support
  • Flexible work arrangements
  • Professional development opportunities
  • Employee assistance and wellness programs
Full Job Description
As a Sr. Systems Engineer III, you'll deliver secure enterprise PKI solutions across on-premises and cloud environments. You'll modernize certificate services, manage certificate and key lifecycles, integrate PKI with identity platforms, automate processes, resolve complex issues, and maintain compliance with federal security standards.

What you'll do:

  • Design, modernize, and sustain enterprise PKI across on-premises and cloud environments.
  • Engineer and administer certificate authorities, trust chains, OCSP, CRLs, and certificate lifecycles.
  • Manage cryptographic services, key protection, HSMs, and recovery practices.
  • Integrate PKI with AD CS, Active Directory, Microsoft Entra ID, ADFS, applications, endpoints, and network devices.
  • Automate certificate administration using PowerShell, Python, APIs, and orchestration tools.
  • Apply DoD, NIST, FIPS, and STIG security requirements.
  • Troubleshoot and resolve complex Tier III/IV PKI issues.
  • Document architectures, configurations, procedures, risks, and technical recommendations.
  • Build customer trust through technical expertise, sound engineering judgment, and professionalism.


What you'll need to succeed:
  • Active Top Secret
  • 10+ years of relevant enterprise identity, cybersecurity, or systems engineering experience supporting projects of similar size, scope, and complexity.
  • Proven hands-on experience engineering, administering, troubleshooting, and modernizing enterprise PKI infrastructure, including certificate authorities, trust chains, certificate issuance, renewal, revocation, OCSP/CRLs, and key protection.
  • Strong knowledge of cryptographic principles, certificate lifecycle management, key management systems, hardware security modules, and PKI high-availability and recovery practices.
  • Experience integrating PKI with Active Directory and AD CS, Microsoft Entra ID, ADFS, applications, endpoints, network devices, and on-premises or cloud identity services.
  • Experience applying applicable DoD, NIST, FIPS, STIG, risk-management, and change-control requirements to PKI services.
  • Ability to lead modernization initiatives, evaluate emerging technologies, develop engineering recommendations, and document architectures, configurations, operational procedures, and corrective actions.
  • Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Engineering, or a related field is preferred; relevant experience may substitute.
  • Must satisfy the applicable DoD 8140 qualification requirements for the 451 System Administrator work role; no additional technical certification is required.

This position is designated as essential personnel supporting continuity of operations and may require work during government shutdowns, emergencies, or other critical situations.

SALARY RANGE: $140,000 - $225,000

The salary range for this position is determined based on qualifications, skills, and relevant experience. The final salary offered will be determined based on several factors including:
  • The candidate's professional background and relevant work experience
  • The specific responsibilities of the role and organizational needs
  • Internal equity and alignment with current team compensation
  • This role is also eligible for additional compensation, subject to the terms and policies of MetroStar, which may include:
    • Performance-based bonuses
    • Company-paid training and/or certifications
    • Referral bonuses


To apply for this position, please submit your resume via the form below or through our careers page: https://www.metrostar.com/jobs/

Application Deadline: Applications will be accepted on a rolling basis until the position is filled; candidates are encouraged to apply as early as possible for full consideration.

Additional Compensation: This role may also be eligible for bonuses and/or additional incentives based on individual and company performance.

Benefits: All full-time employees are eligible to participate in our benefits programs:
  • Health, dental, and vision insurance
  • 401(k) retirement plan with company match
  • Paid time off (PTO) and holidays
  • Parental Leave and dependent care
  • Flexible work arrangements
  • Professional development opportunities
  • Employee assistance and wellness programs

Like we said, we are big fans of our people. That's why we offer a generous benefits package, professional growth, and valuable time to recharge.

About MetroStar Systems

MetroStar Systems is a technology services provider specializing in digital transformation, cybersecurity, and customer experience. The company was founded in 1999 and is headquartered in Washington, DC. MetroStar Systems has worked with clients in the public and private sectors, including the Department of Defense, the Department of Homeland Security, and the Federal Aviation Administration. The company has received numerous awards for its work, including being named a Top Workplace by The Washington Post.
Learn more about MetroStar Systems
Size
400 employees
Industry
Net Income
$2 million
Founded
1999
5 Year Trend
+20%
Revenue
$50 million

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