About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for a Senior Network Security Engineer . This position will support one of our government clients in Annapolis Junction, MD.

Responsibilities

Experienced with Windows & Linux systems at the command line, particularly installing OSs, mounting images, package installs, and IP networking.

Experience with VMs using ESXi, Nutanix; additional networking skills such as configuring ports, Cisco switches, NTP and/or chronyc.

Ensure systems are compliant with Secure the Enterprise (STE)/Secure the Network (STN) requirements; familiarity with Xacta, LatteArt, SEAR.

Maintain multiple SSPs and other documentation for compliance, coordinating with ISSOs and Information System owners as needed.

Evaluate configuration of networking equipment; update hardware and software as needed; perform vulnerability scans, install patches.

Provision accounts and containers to information systems; perform data transfers.

Minimum Qualifications

A bachelor's degree plus 8 years of relevant experience, a master's degree plus 6 years of relevant experience, an associate's degree plus 10 years of relevant experience, or a high school diploma/GED plus 12 years of relevant experience may be considered.

Degree must be in Network Engineering, Systems Engineering, Information Technology, or a related field.

Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, and/or systems engineering. Additionally, must have experience in network or system administration.

Preferred Qualifications

System Administrator experience

Risk Management Framework

The ARSIEM pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other laws.

Benefits:

For an overview of our benefits, please visit our benefits tab.

https://www.arsiem.com/careers/

Original Posting Date:

2025-08-07

Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a U.S. Citizen for consideration.

Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $5,000, and the referrer is eligible to receive the sum for any applicant we can place within 12 months of referral. The bonus is paid after the referred employee reaches six months of employment.

ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.