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Security Infrastructure Engineer

Apex Systems
Washington, DC Full Time
POSTED ON 6/4/2026 CLOSED ON 6/6/2026

What are the responsibilities and job description for the Security Infrastructure Engineer position at Apex Systems?

Job#: 3036892

Job Description:

(40% Remote / Washington D.C.) - Cybersecurity System Engineer -

***$175,000 - $195,000***

Apex Systems has an Immediate Need for a (40% Remote) Cybersecurity System Engineer Washington, D.C !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients on the East Coast & Nationwide! Please See Below for all Position Details & How To Apply.

*** HOW TO APPLY *** Email a Resume to:

- Job Title: Cybersecurity System Engineer

- Location: *** 40% Remote *** / Washington D.C.

- Contract Layout: est. "6 Month Contract to Permanent Hire"

- Contract Pay Rate: $85.00 - $95.00 / Hourly on W-2

- Starting Salary at Perm Hire: $175,000 - $195,000 & Full Benefits

*** REQUIREMENTS ***

  • Top Secret/SCI Clearance (Eligibility)
  • Security CE
  • 10 Years of Relevant Cyber/Security/System/Infrastructure Engineering Experience
  • Strong Experience with cybersecurity capabilities to include IDS/IPS/Netflow/SIEM/Snort/Linux/Virtualization etc Ensure Compliance standards
  • Strong Experience with the Windows & Linux operating system and their respective command line interfaces and scripting shells


Job Description

  • Work with government counterparts, contractors, and internal team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilities
  • Manage high-priority tasks and outages
  • Maintain, develop, and improve Security Infrastructure standard operating procedures and tactics, techniques, and procedures (TTPs)
  • Maintain complete and current network and elevation diagrams for all managed security equipment
  • Advise and strategize with government and program leadership on ways to improve the security infrastructure, requiring multi-dimensional problem solving and ingenuity with impact on multiple aspects of the mission
  • Provide briefings to program/project leadership, government leadership, and other internal stakeholders on security infrastructure status, updates/patches, issues, and/or upgrades
  • Operate and maintain cybersecurity capabilities to include IDS/IPS/Netflow/SIEM/Snort/Linux/Virtualization etc Ensure Compliance standards


Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth 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. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at

Everforth Apex Benefits Overview: Everforth 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. Everforth 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, Everforth 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. Everforth 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 Everforth Apex team member can provide.

Everforth 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. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

Salary : $175,000 - $195,000

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