Sr. Unix/Linux Engineer - TS/SCI with FS Poly | Columbia, MD

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4 Locations
In-Office
Security • Cybersecurity
The Role

A Senior Engineer is an individual who operates independently without direct supervision who is responsible for leading the delivery of an engagement with the sole intent of providing immense value for Optiv + ClearShark’s customers. To be successful in this role, a Senior Engineer will be expected to not only maintain a mastery in a capability aligned with Optiv + ClearShark’s service practices, but also developing pathways towards future opportunities they would like to explore. Additionally, they will be expected not only to execute all tasks provided in a statement of work, but also be expected to lead a team of Associate, Level I, and Level II Engineers in their day-to-day operations and career development. This individual will be the most senior engineer on a project and will be expected to assist Associate, Level I, and Level II Engineers with tasking. Excellent communication skills along with sufficient leadership skills are essential for this role, as these individuals will interact with clients and engineers regularly in a leadership capacity.

How you'll make an impact

  • Analyze, design, modify, configure, integrate, test, validate and deploy Delinea (Centrify) solutions to meet mission requirements.

  • Identify and document the architecturally significant aspects of the system(s), including requirements, design, implementation, and deployment “views” of the system.

  • Support Delinea (Centrify) requests utilizing existing ticketing systems and queues.

  • Ensure compliance with all customer architecture standards, security regulations, and customer approved Delinea (Centrify) architectures for Enterprise IT systems.

  • Work with the government COR and Directory Services organization to ensure Delinea (Centrify) Server Suite best practices are adhered to.

  • Establish and maintain the architectural requirements of the Delinea (Centrify) software solutions.

  • Assist customers troubleshoot Delinea (Centrify) connectivity issues to the domain.

  • Troubleshoot user authentication issues and server domain join issues.

  • Work with Delinea (Centrify) vendor support to submit bug fix request, software functionality issues, and security concerns.

What we're looking for

  • Currently holds a TS/SCI with a Full Scope polygraph.

  • Experience operating in classified environments.

  • Related degrees and/or equivalent experience and 8 years of work experience with UNIX/LINUX administration.

  • Experience with Privileged Access Management (PAM) solutions. Preferably experience with the Delinea (Centrify) platform.

  • Candidate will be provided training on Delinea solutions.

  • Must have knowledge and understanding of Identity Access Management principles, authentication and authorization, and resource provisioning methods.

  • Experience designing, deploying, integrating, and administrating Identity Software solutions.

  • Experience and working knowledge of Linux, Windows, and Windows Active Directory.

  • Security+ Certification equivalent or higher security certification required.

  • Strong understanding of governance and compliance, specifically with FAR, DFARs, CUI and CMMC.

  • Broad understanding of FedRAMP and IL constructs.

  • Strong understanding of leadership concepts and ideas.

  • Strong interpersonal skills and ability to work collaboratively in a team.

  • Experience leading an engineering team, preferably having handled tasking, resolving personnel issues, and providing actionable feedback.

  • Ability to clearly communicate complex messages to a variety of audiences.

  • Excellent problem-solving skills with a keen attention to detail.

  • Willingness to travel to meet client needs.

  • Open to government workers and/or government experience.

  • #LI-BC1

What you can expect from Optiv

  • A company committed to championing Diversity, Equality, and Inclusion through our Employee Resource Groups.
  • Work/life balance
  • Professional training resources
  • Creative problem-solving and the ability to tackle unique, complex projects
  • Volunteer Opportunities. “Optiv Chips In” encourages employees to volunteer and engage with their teams and communities.
  • The ability and technology necessary to productively work remotely/from home (where applicable)

EEO Statement

Optiv + ClearShark is an equal opportunity employer. All qualified applicants for employment will be considered without regard to race, color, religion, sex, gender identity or expression, sexual orientation, pregnancy, age 40 and over, marital status, genetic information, national origin, status as an individual with a disability, military or veteran status, or any other basis protected by federal, state, or local law.  

Optiv + ClearShark respects your privacy. By providing your information through this page or applying for a job at Optiv + ClearShark, you acknowledge that Optiv + ClearShark will collect, use, and process your information, which may include personal information and sensitive personal information, in connection with Optiv + ClearShark’s selection and recruitment activities.  For additional details on how Optiv + ClearShark uses and protects your personal information in the application process, click here to view our Applicant Privacy Notice. If you sign up to receive notifications of job postings, you may unsubscribe at any time.

Optiv Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Optiv and has not been reviewed or approved by Optiv.

  • Retirement Support Immediate vesting with a clear 401(k) match and a solid retirement setup are emphasized in official materials. This positions retirement benefits as a dependable part of the total package.
  • Leave & Time Off Breadth A flexible, no‑accrual “Recharge” policy for eligible exempt roles and traditional PTO for non‑exempt roles are highlighted. Hybrid/remote flexibility also appears frequently across role descriptions.
  • Healthcare Strength Comprehensive medical, dental, and vision options with FSA/HSA (including a company HSA contribution) are described. Company‑paid life, AD&D, and short‑/long‑term disability further strengthen core protections.

Optiv Insights

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The Company
HQ: Denver, CO
1,988 Employees
Year Founded: 2015

What We Do

Optiv is a security solutions integrator – “one-stop” trusted partner with a singular focus on cybersecurity. Our end-to-end cybersecurity capabilities span risk management and transformation, cyber digital transformation, threat management, security operations, identity and data management, and integration and innovation, helping organizations realize stronger, simpler and more cost-efficient cybersecurity programs that support business requirements and outcomes. At Optiv, we are modernizing cybersecurity to enable clients to innovate their consumption models, integrate infrastructure and technology to maximize value, achieve measurable outcomes, and realize complete solutions and business alignment.

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