Senior Systems Administrator

Senior Systems Administrator

Apex Systems is seeking a Senior Systems Administrator to work fully onsite in Herndon, VA. For immediate consideration, please email your updated resume to Maren at mlawrence@apexsystems.com with "Senior Systems Administrator Herndon, VA" in the subject line.

Clearance required: Active Full Scope Polygraph

Summary:

We are seeking a Senior Systems Administrator to join a Specialized Infrastructure Operations team within the Information Technology & Data Analytics (IT&DA) organization in Herndon, VA. This role supports a Mission Operations Portfolio by delivering and maintaining critical platforms for both commercial and government clients.

Responsibilities:

• Lead system integration efforts, including hardware/software installation, configuration, and lifecycle management of servers and workstations.
• Provide advanced troubleshooting, root cause analysis, and technical support for delivery systems.
• Participate in the design, validation, and configuration management of computing environments.
• Plan and coordinate system upgrades and changes.
• Manage user access and implement safeguards to ensure compliance with security requirements.
• Monitor system performance and support capacity planning, backup strategies, and disaster recovery.
• Mentor and train junior team members, fostering knowledge sharing and team development.

Qualifications:

• Bachelors degree with 9+ years related work experience or an equivalent combination of technical education and experience.
• Active Full Scope Polygraph.
• Successfully completed a Tier 5 (T5) Investigation (formerly SSBI) within the last 5 years or enrolled in a Continuous Vetting program.
• 5+ years of experience as a systems administrator.
• 5+ years of experience working cross-functionally with stakeholders at all organizational levels.

Preferred Qualifications:

• 5+ years of relevant experience or an equivalent combination of education and experience.
• Active certifications in Cloud technologies, Information Security (INFOSEC), or related fields.
• Experience with virtualization platforms such as AHV, VMware ESXi, and Hyper-V.
• Familiarity with VDI infrastructure, system monitoring, security hardening, documentation, and task tracking tools.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at employeeservices@apexsystems.com or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package.

Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.